[clang] [RISCV] Reformat riscv-target-features.c. NFC (PR #79409)

Craig Topper via cfe-commits cfe-commits at lists.llvm.org
Wed Jan 24 22:35:55 PST 2024


https://github.com/topperc created https://github.com/llvm/llvm-project/pull/79409

Indent line continuations by 2 spaces.
Drop -x c

>From 32dcc4d617811a42285958637274c4fb995742c4 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper at sifive.com>
Date: Wed, 24 Jan 2024 22:33:37 -0800
Subject: [PATCH] [RISCV] Reformat riscv-target-features.c. NFC

Indent line continuations by 2 spaces.
Drop -x c
---
 .../test/Preprocessor/riscv-target-features.c | 1188 ++++++++---------
 1 file changed, 594 insertions(+), 594 deletions(-)

diff --git a/clang/test/Preprocessor/riscv-target-features.c b/clang/test/Preprocessor/riscv-target-features.c
index 39d2c66f14b23ff..4112e7d473d233e 100644
--- a/clang/test/Preprocessor/riscv-target-features.c
+++ b/clang/test/Preprocessor/riscv-target-features.c
@@ -1,7 +1,7 @@
-// RUN: %clang --target=riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
-// RUN: -o - | FileCheck %s
-// RUN: %clang --target=riscv64-unknown-linux-gnu -march=rv64i -x c -E -dM %s \
-// RUN: -o - | FileCheck %s
+// RUN: %clang --target=riscv32-unknown-linux-gnu -march=rv32i -E -dM %s \
+// RUN:   -o - | FileCheck %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu -march=rv64i -E -dM %s \
+// RUN:   -o - | FileCheck %s
 
 // CHECK-NOT: __riscv_32e {{.*$}}
 // CHECK-NOT: __riscv_64e {{.*$}}
@@ -153,152 +153,152 @@
 // CHECK-NOT: __riscv_zvfbfwma {{.*$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ia -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-A-EXT %s
+// RUN:   -march=rv32ia -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-A-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ia -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-A-EXT %s
+// RUN:   -march=rv64ia -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-A-EXT %s
 // CHECK-A-EXT: __riscv_a 2001000{{$}}
 // CHECK-A-EXT: __riscv_atomic 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ic -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-C-EXT %s
+// RUN:   -march=rv32ic -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-C-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ic -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-C-EXT %s
+// RUN:   -march=rv64ic -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-C-EXT %s
 // CHECK-C-EXT: __riscv_c 2000000{{$}}
 // CHECK-C-EXT: __riscv_compressed 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ifd -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-D-EXT %s
+// RUN:   -march=rv32ifd -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-D-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ifd -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-D-EXT %s
+// RUN:   -march=rv64ifd -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-D-EXT %s
 // CHECK-D-EXT: __riscv_d 2002000{{$}}
 // CHECK-D-EXT: __riscv_fdiv 1
 // CHECK-D-EXT: __riscv_flen 64
 // CHECK-D-EXT: __riscv_fsqrt 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32e -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefixes=CHECK-E-EXT,CHECK-RV32E %s
+// RUN:   -march=rv32e -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefixes=CHECK-E-EXT,CHECK-RV32E %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64e -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefixes=CHECK-E-EXT,CHECK-RV64E %s
+// RUN:   -march=rv64e -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefixes=CHECK-E-EXT,CHECK-RV64E %s
 // CHECK-RV32E: __riscv_32e 1
 // CHECK-RV64E: __riscv_64e 1
 // CHECK-E-EXT: __riscv_abi_rve 1
 // CHECK-E-EXT: __riscv_e 2000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32if -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-F-EXT %s
+// RUN:   -march=rv32if -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-F-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64if -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-F-EXT %s
+// RUN:   -march=rv64if -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-F-EXT %s
 // CHECK-F-EXT: __riscv_f 2002000{{$}}
 // CHECK-F-EXT: __riscv_fdiv 1
 // CHECK-F-EXT: __riscv_flen 32
 // CHECK-F-EXT: __riscv_fsqrt 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ifd -mabi=ilp32 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SOFT %s
+// RUN:   -march=rv32ifd -mabi=ilp32 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SOFT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ifd -mabi=lp64 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SOFT %s
+// RUN:   -march=rv64ifd -mabi=lp64 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SOFT %s
 // CHECK-SOFT: __riscv_float_abi_soft 1
 // CHECK-SOFT-NOT: __riscv_float_abi_single
 // CHECK-SOFT-NOT: __riscv_float_abi_double
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ifd -mabi=ilp32f -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SINGLE %s
+// RUN:   -march=rv32ifd -mabi=ilp32f -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SINGLE %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ifd -mabi=lp64f -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SINGLE %s
+// RUN:   -march=rv64ifd -mabi=lp64f -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SINGLE %s
 // CHECK-SINGLE: __riscv_float_abi_single 1
 // CHECK-SINGLE-NOT: __riscv_float_abi_soft
 // CHECK-SINGLE-NOT: __riscv_float_abi_double
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ifd -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-DOUBLE %s
+// RUN:   -march=rv32ifd -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-DOUBLE %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ifd -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-DOUBLE %s
+// RUN:   -march=rv64ifd -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-DOUBLE %s
 // CHECK-DOUBLE: __riscv_float_abi_double 1
 // CHECK-DOUBLE-NOT: __riscv_float_abi_soft
 // CHECK-DOUBLE-NOT: __riscv_float_abi_single
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32i -mabi=ilp32e -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ILP32E %s
+// RUN:   -march=rv32i -mabi=ilp32e -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ILP32E %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64i -mabi=lp64e -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-LP64E %s
+// RUN:   -march=rv64i -mabi=lp64e -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-LP64E %s
 // CHECK-ILP32E: __riscv_abi_rve 1
 // CHECK-LP64E: __riscv_abi_rve 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ih -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-H-EXT %s
+// RUN:   -march=rv32ih -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-H-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ih -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-H-EXT %s
+// RUN:   -march=rv64ih -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-H-EXT %s
 // CHECK-H-EXT: __riscv_h 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32i -x c -E -dM %s \
-// RUN: -o - | FileCheck %s
+// RUN:   -march=rv32i -E -dM %s \
+// RUN:   -o - | FileCheck %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64i -x c -E -dM %s \
-// RUN: -o - | FileCheck %s
+// RUN:   -march=rv64i -E -dM %s \
+// RUN:   -o - | FileCheck %s
 // CHECK: __riscv_i 2001000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32im -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-M-EXT %s
+// RUN:   -march=rv32im -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-M-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64im -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-M-EXT %s
+// RUN:   -march=rv64im -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-M-EXT %s
 // CHECK-M-EXT: __riscv_div 1
 // CHECK-M-EXT: __riscv_m 2000000{{$}}
 // CHECK-M-EXT: __riscv_mul 1
 // CHECK-M-EXT: __riscv_muldiv 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32isvinval -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SVINVAL-EXT %s
+// RUN:   -march=rv32isvinval -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SVINVAL-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64isvinval -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SVINVAL-EXT %s
+// RUN:   -march=rv64isvinval -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SVINVAL-EXT %s
 // CHECK-SVINVAL-EXT: __riscv_svinval 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32isvnapot -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SVNAPOT-EXT %s
+// RUN:   -march=rv32isvnapot -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SVNAPOT-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64isvnapot -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SVNAPOT-EXT %s
+// RUN:   -march=rv64isvnapot -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SVNAPOT-EXT %s
 // CHECK-SVNAPOT-EXT: __riscv_svnapot 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32isvpbmt -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SVPBMT-EXT %s
+// RUN:   -march=rv32isvpbmt -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SVPBMT-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64isvpbmt -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SVPBMT-EXT %s
+// RUN:   -march=rv64isvpbmt -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SVPBMT-EXT %s
 // CHECK-SVPBMT-EXT: __riscv_svpbmt 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-V-EXT %s
+// RUN:   -march=rv32iv1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-V-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-V-EXT %s
+// RUN:   -march=rv64iv1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-V-EXT %s
 // CHECK-V-EXT: __riscv_v 1000000{{$}}
 // CHECK-V-EXT: __riscv_v_elen 64
 // CHECK-V-EXT: __riscv_v_elen_fp 64
@@ -307,621 +307,621 @@
 // CHECK-V-EXT: __riscv_vector 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixcvalu -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVALU-EXT %s
+// RUN:   -march=rv32ixcvalu -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVALU-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixcvalu -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVALU-EXT %s
+// RUN:   -march=rv64ixcvalu -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVALU-EXT %s
 // CHECK-XCVALU-EXT: __riscv_xcvalu 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixcvbi -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVBI-EXT %s
+// RUN:   -march=rv32ixcvbi -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVBI-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixcvbi -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVBI-EXT %s
+// RUN:   -march=rv64ixcvbi -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVBI-EXT %s
 // CHECK-XCVBI-EXT: __riscv_xcvbi 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixcvbitmanip -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVBITMANIP-EXT %s
+// RUN:   -march=rv32ixcvbitmanip -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVBITMANIP-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixcvbitmanip -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVBITMANIP-EXT %s
+// RUN:   -march=rv64ixcvbitmanip -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVBITMANIP-EXT %s
 // CHECK-XCVBITMANIP-EXT: __riscv_xcvbitmanip 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixcvmac -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVMAC-EXT %s
+// RUN:   -march=rv32ixcvmac -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVMAC-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixcvmac -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVMAC-EXT %s
+// RUN:   -march=rv64ixcvmac -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVMAC-EXT %s
 // CHECK-XCVMAC-EXT: __riscv_xcvmac 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixcvsimd -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVSIMD-EXT %s
+// RUN:   -march=rv32ixcvsimd -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVSIMD-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixcvsimd -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XCVSIMD-EXT %s
+// RUN:   -march=rv64ixcvsimd -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XCVSIMD-EXT %s
 // CHECK-XCVSIMD-EXT: __riscv_xcvsimd 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixsfvcp -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVCP-EXT %s
+// RUN:   -march=rv32ixsfvcp -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVCP-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixsfvcp -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVCP-EXT %s
+// RUN:   -march=rv64ixsfvcp -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVCP-EXT %s
 // CHECK-XSFVCP-EXT: __riscv_xsfvcp 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixsfvfnrclipxfqf -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVFNRCLIPXFQF-EXT %s
+// RUN:   -march=rv32ixsfvfnrclipxfqf -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVFNRCLIPXFQF-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixsfvfnrclipxfqf -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVFNRCLIPXFQF-EXT %s
+// RUN:   -march=rv64ixsfvfnrclipxfqf -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVFNRCLIPXFQF-EXT %s
 // CHECK-XSFVFNRCLIPXFQF-EXT: __riscv_xsfvfnrclipxfqf 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixsfvfwmaccqqq -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVFWMACCQQQ-EXT %s
+// RUN:   -march=rv32ixsfvfwmaccqqq -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVFWMACCQQQ-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixsfvfwmaccqqq -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVFWMACCQQQ-EXT %s
+// RUN:   -march=rv64ixsfvfwmaccqqq -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVFWMACCQQQ-EXT %s
 // CHECK-XSFVFWMACCQQQ-EXT: __riscv_xsfvfwmaccqqq 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixsfvqmaccdod -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVQMACCDOD-EXT %s
+// RUN:   -march=rv32ixsfvqmaccdod -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVQMACCDOD-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixsfvqmaccdod -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVQMACCDOD-EXT %s
+// RUN:   -march=rv64ixsfvqmaccdod -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVQMACCDOD-EXT %s
 // CHECK-XSFVQMACCDOD-EXT: __riscv_xsfvqmaccdod 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixsfvqmaccqoq -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVQMACCQOQ-EXT %s
+// RUN:   -march=rv32ixsfvqmaccqoq -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVQMACCQOQ-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixsfvqmaccqoq -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XSFVQMACCQOQ-EXT %s
+// RUN:   -march=rv64ixsfvqmaccqoq -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XSFVQMACCQOQ-EXT %s
 // CHECK-XSFVQMACCQOQ-EXT: __riscv_xsfvqmaccqoq 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadba -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADBA-EXT %s
+// RUN:   -march=rv32ixtheadba -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADBA-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadba -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADBA-EXT %s
+// RUN:   -march=rv64ixtheadba -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADBA-EXT %s
 // CHECK-XTHEADBA-EXT: __riscv_xtheadba 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadbb -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADBB-EXT %s
+// RUN:   -march=rv32ixtheadbb -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADBB-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadbb -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADBB-EXT %s
+// RUN:   -march=rv64ixtheadbb -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADBB-EXT %s
 // CHECK-XTHEADBB-EXT: __riscv_xtheadbb 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadbs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADBS-EXT %s
+// RUN:   -march=rv32ixtheadbs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADBS-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadbs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADBS-EXT %s
+// RUN:   -march=rv64ixtheadbs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADBS-EXT %s
 // CHECK-XTHEADBS-EXT: __riscv_xtheadbs 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadcmo -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADCMO-EXT %s
+// RUN:   -march=rv32ixtheadcmo -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADCMO-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadcmo -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADCMO-EXT %s
+// RUN:   -march=rv64ixtheadcmo -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADCMO-EXT %s
 // CHECK-XTHEADCMO-EXT: __riscv_xtheadcmo 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadcondmov -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADCONDMOV-EXT %s
+// RUN:   -march=rv32ixtheadcondmov -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADCONDMOV-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadcondmov -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADCONDMOV-EXT %s
+// RUN:   -march=rv64ixtheadcondmov -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADCONDMOV-EXT %s
 // CHECK-XTHEADCONDMOV-EXT: __riscv_xtheadcondmov 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadfmemidx -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADFMEMIDX-EXT %s
+// RUN:   -march=rv32ixtheadfmemidx -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADFMEMIDX-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadfmemidx -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADFMEMIDX-EXT %s
+// RUN:   -march=rv64ixtheadfmemidx -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADFMEMIDX-EXT %s
 // CHECK-XTHEADFMEMIDX-EXT: __riscv_xtheadfmemidx 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadmac -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADMAC-EXT %s
+// RUN:   -march=rv32ixtheadmac -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADMAC-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadmac -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADMAC-EXT %s
+// RUN:   -march=rv64ixtheadmac -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADMAC-EXT %s
 // CHECK-XTHEADMAC-EXT: __riscv_xtheadmac 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadmemidx -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADMEMIDX-EXT %s
+// RUN:   -march=rv32ixtheadmemidx -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADMEMIDX-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadmemidx -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADMEMIDX-EXT %s
+// RUN:   -march=rv64ixtheadmemidx -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADMEMIDX-EXT %s
 // CHECK-XTHEADMEMIDX-EXT: __riscv_xtheadmemidx 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadmempair -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADMEMPAIR-EXT %s
+// RUN:   -march=rv32ixtheadmempair -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADMEMPAIR-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadmempair -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADMEMPAIR-EXT %s
+// RUN:   -march=rv64ixtheadmempair -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADMEMPAIR-EXT %s
 // CHECK-XTHEADMEMPAIR-EXT: __riscv_xtheadmempair 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadsync -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADSYNC-EXT %s
+// RUN:   -march=rv32ixtheadsync -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADSYNC-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadsync -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADSYNC-EXT %s
+// RUN:   -march=rv64ixtheadsync -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADSYNC-EXT %s
 // CHECK-XTHEADSYNC-EXT: __riscv_xtheadsync 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixtheadvdot -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADVDOT-EXT %s
+// RUN:   -march=rv32ixtheadvdot -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADVDOT-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixtheadvdot -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XTHEADVDOT-EXT %s
+// RUN:   -march=rv64ixtheadvdot -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XTHEADVDOT-EXT %s
 // CHECK-XTHEADVDOT-EXT: __riscv_xtheadvdot 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ixventanacondops -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XVENTANACONDOPS-EXT %s
+// RUN:   -march=rv32ixventanacondops -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XVENTANACONDOPS-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ixventanacondops -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-XVENTANACONDOPS-EXT %s
+// RUN:   -march=rv64ixventanacondops -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-XVENTANACONDOPS-EXT %s
 // CHECK-XVENTANACONDOPS-EXT: __riscv_xventanacondops 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iza128rs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZA128RS-EXT %s
+// RUN:   -march=rv32iza128rs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZA128RS-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iza128rs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZA128RS-EXT %s
+// RUN:   -march=rv64iza128rs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZA128RS-EXT %s
 // CHECK-ZA128RS-EXT: __riscv_za128rs 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iza64rs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZA64RS-EXT %s
+// RUN:   -march=rv32iza64rs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZA64RS-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iza64rs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZA64RS-EXT %s
+// RUN:   -march=rv64iza64rs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZA64RS-EXT %s
 // CHECK-ZA64RS-EXT: __riscv_za64rs 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izawrs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZAWRS-EXT %s
+// RUN:   -march=rv32izawrs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZAWRS-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izawrs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZAWRS-EXT %s
+// RUN:   -march=rv64izawrs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZAWRS-EXT %s
 // CHECK-ZAWRS-EXT: __riscv_zawrs 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izba1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBA-EXT %s
+// RUN:   -march=rv32izba1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBA-EXT %s
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izba -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBA-EXT %s
+// RUN:   -march=rv32izba -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBA-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izba1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBA-EXT %s
+// RUN:   -march=rv64izba1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBA-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izba -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBA-EXT %s
+// RUN:   -march=rv64izba -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBA-EXT %s
 // CHECK-ZBA-EXT: __riscv_zba 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
+// RUN:   -march=rv32izbb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbb -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
+// RUN:   -march=rv32izbb -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
+// RUN:   -march=rv64izbb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbb -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
+// RUN:   -march=rv64izbb -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBB-EXT %s
 // CHECK-ZBB-EXT: __riscv_zbb 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
+// RUN:   -march=rv32izbc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbc -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
+// RUN:   -march=rv32izbc -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
+// RUN:   -march=rv64izbc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbc -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
+// RUN:   -march=rv64izbc -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBC-EXT %s
 // CHECK-ZBC-EXT: __riscv_zbc 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbkb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBKB-EXT %s
+// RUN:   -march=rv32izbkb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBKB-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbkb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBKB-EXT %s
+// RUN:   -march=rv64izbkb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBKB-EXT %s
 // CHECK-ZBKB-EXT: __riscv_zbkb
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbkc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBKC-EXT %s
+// RUN:   -march=rv32izbkc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBKC-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbkc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBKC-EXT %s
+// RUN:   -march=rv64izbkc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBKC-EXT %s
 // CHECK-ZBKC-EXT: __riscv_zbkc
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbkx1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBKX-EXT %s
+// RUN:   -march=rv32izbkx1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBKX-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbkx1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBKX-EXT %s
+// RUN:   -march=rv64izbkx1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBKX-EXT %s
 // CHECK-ZBKX-EXT: __riscv_zbkx
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbs1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
+// RUN:   -march=rv32izbs1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izbs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
+// RUN:   -march=rv32izbs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbs1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
+// RUN:   -march=rv64izbs1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izbs -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
+// RUN:   -march=rv64izbs -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZBS-EXT %s
 // CHECK-ZBS-EXT: __riscv_zbs 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izca1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCA-EXT %s
+// RUN:   -march=rv32izca1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCA-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izca1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCA-EXT %s
+// RUN:   -march=rv64izca1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCA-EXT %s
 // CHECK-ZCA-EXT: __riscv_zca 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izcb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCB-EXT %s
+// RUN:   -march=rv32izcb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCB-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izcb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCB-EXT %s
+// RUN:   -march=rv64izcb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCB-EXT %s
 // CHECK-ZCB-EXT: __riscv_zca 1000000{{$}}
 // CHECK-ZCB-EXT: __riscv_zcb 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izcd1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCD-EXT %s
+// RUN:   -march=rv32izcd1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCD-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izcd1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCD-EXT %s
+// RUN:   -march=rv64izcd1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCD-EXT %s
 // CHECK-ZCD-EXT: __riscv_zcd 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izce1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCE-EXT %s
+// RUN:   -march=rv32izce1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCE-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izce1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCE-EXT %s
+// RUN:   -march=rv64izce1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCE-EXT %s
 // CHECK-ZCE-EXT: __riscv_zce 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izcf1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCF-EXT %s
+// RUN:   -march=rv32izcf1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCF-EXT %s
 // CHECK-ZCF-EXT: __riscv_zcf 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izcmp1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCMP-EXT %s
+// RUN:   -march=rv32izcmp1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCMP-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izcmp1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCMP-EXT %s
+// RUN:   -march=rv64izcmp1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCMP-EXT %s
 // CHECK-ZCMP-EXT: __riscv_zca 1000000{{$}}
 // CHECK-ZCMP-EXT: __riscv_zcmp 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izcmt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCMT-EXT %s
+// RUN:   -march=rv32izcmt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCMT-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izcmt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCMT-EXT %s
+// RUN:   -march=rv64izcmt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCMT-EXT %s
 // CHECK-ZCMT-EXT: __riscv_zca 1000000{{$}}
 // CHECK-ZCMT-EXT: __riscv_zcmt 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izdinx1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZDINX-EXT %s
+// RUN:   -march=rv32izdinx1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZDINX-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izdinx1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZDINX-EXT %s
+// RUN:   -march=rv64izdinx1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZDINX-EXT %s
 // CHECK-ZDINX-EXT: __riscv_zdinx 1000000{{$}}
 // CHECK-ZDINX-EXT: __riscv_zfinx 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izfh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFH-EXT %s
+// RUN:   -march=rv32izfh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFH-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izfh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFH-EXT %s
+// RUN:   -march=rv64izfh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFH-EXT %s
 // CHECK-ZFH-EXT: __riscv_f 2002000{{$}}
 // CHECK-ZFH-EXT: __riscv_zfh 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izfhmin1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFHMIN-EXT %s
+// RUN:   -march=rv32izfhmin1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFHMIN-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izfhmin1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFHMIN-EXT %s
+// RUN:   -march=rv64izfhmin1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFHMIN-EXT %s
 // CHECK-ZFHMIN-EXT: __riscv_f 2002000{{$}}
 // CHECK-ZFHMIN-EXT: __riscv_zfhmin 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izfinx1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFINX-EXT %s
+// RUN:   -march=rv32izfinx1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFINX-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izfinx1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFINX-EXT %s
+// RUN:   -march=rv64izfinx1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFINX-EXT %s
 // CHECK-ZFINX-EXT: __riscv_zfinx 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izhinx1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZHINX-EXT %s
+// RUN:   -march=rv32izhinx1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZHINX-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izhinx1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZHINX-EXT %s
+// RUN:   -march=rv64izhinx1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZHINX-EXT %s
 // CHECK-ZHINX-EXT: __riscv_zhinx 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izhinxmin1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZHINXMIN-EXT %s
-// RUN: %clang --target=riscv64-unknown-linux-gnu -march=rv64izhinxmin1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZHINXMIN-EXT %s
+// RUN:   -march=rv32izhinxmin1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZHINXMIN-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu -march=rv64izhinxmin1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZHINXMIN-EXT %s
 // CHECK-ZHINXMIN-EXT: __riscv_zhinxmin 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izic64b -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIC64B-EXT %s
+// RUN:   -march=rv32izic64b -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIC64B-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izic64b -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIC64B-EXT %s
+// RUN:   -march=rv64izic64b -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIC64B-EXT %s
 // CHECK-ZIC64B-EXT: __riscv_zic64b 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izicbom -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICBOM-EXT %s
+// RUN:   -march=rv32izicbom -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICBOM-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izicbom -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICBOM-EXT %s
+// RUN:   -march=rv64izicbom -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICBOM-EXT %s
 // CHECK-ZICBOM-EXT: __riscv_zicbom 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izicbop -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICBOP-EXT %s
+// RUN:   -march=rv32izicbop -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICBOP-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izicbop -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICBOP-EXT %s
+// RUN:   -march=rv64izicbop -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICBOP-EXT %s
 // CHECK-ZICBOP-EXT: __riscv_zicbop 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izicboz -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICBOZ-EXT %s
+// RUN:   -march=rv32izicboz -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICBOZ-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izicboz -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICBOZ-EXT %s
+// RUN:   -march=rv64izicboz -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICBOZ-EXT %s
 // CHECK-ZICBOZ-EXT: __riscv_zicboz 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iziccamoa -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICCAMOA-EXT %s
+// RUN:   -march=rv32iziccamoa -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICCAMOA-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iziccamoa -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICCAMOA-EXT %s
+// RUN:   -march=rv64iziccamoa -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICCAMOA-EXT %s
 // CHECK-ZICCAMOA-EXT: __riscv_ziccamoa 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iziccif -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICCIF-EXT %s
+// RUN:   -march=rv32iziccif -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICCIF-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iziccif -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICCIF-EXT %s
+// RUN:   -march=rv64iziccif -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICCIF-EXT %s
 // CHECK-ZICCIF-EXT: __riscv_ziccif 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izicclsm -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICCLSM-EXT %s
+// RUN:   -march=rv32izicclsm -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICCLSM-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izicclsm -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICCLSM-EXT %s
+// RUN:   -march=rv64izicclsm -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICCLSM-EXT %s
 // CHECK-ZICCLSM-EXT: __riscv_zicclsm 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iziccrse -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICCRSE-EXT %s
+// RUN:   -march=rv32iziccrse -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICCRSE-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iziccrse -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICCRSE-EXT %s
+// RUN:   -march=rv64iziccrse -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICCRSE-EXT %s
 // CHECK-ZICCRSE-EXT: __riscv_ziccrse 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izicntr -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICNTR-EXT %s
+// RUN:   -march=rv32izicntr -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICNTR-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izicntr -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICNTR-EXT %s
+// RUN:   -march=rv64izicntr -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICNTR-EXT %s
 // CHECK-ZICNTR-EXT: __riscv_zicntr 2000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izicsr2p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICSR-EXT %s
+// RUN:   -march=rv32izicsr2p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICSR-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izicsr2p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICSR-EXT %s
+// RUN:   -march=rv64izicsr2p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICSR-EXT %s
 // CHECK-ZICSR-EXT: __riscv_zicsr 2000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izifencei2p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIFENCEI-EXT %s
+// RUN:   -march=rv32izifencei2p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIFENCEI-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izifencei2p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIFENCEI-EXT %s
+// RUN:   -march=rv64izifencei2p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIFENCEI-EXT %s
 // CHECK-ZIFENCEI-EXT: __riscv_zifencei 2000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izihintntl1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIHINTNTL-EXT %s
+// RUN:   -march=rv32izihintntl1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIHINTNTL-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izihintntl1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIHINTNTL-EXT %s
+// RUN:   -march=rv64izihintntl1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIHINTNTL-EXT %s
 // CHECK-ZIHINTNTL-EXT: __riscv_zihintntl 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izihintpause2p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIHINTPAUSE-EXT %s
+// RUN:   -march=rv32izihintpause2p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIHINTPAUSE-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izihintpause2p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIHINTPAUSE-EXT %s
+// RUN:   -march=rv64izihintpause2p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIHINTPAUSE-EXT %s
 // CHECK-ZIHINTPAUSE-EXT: __riscv_zihintpause 2000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izihpm -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIHPM-EXT %s
+// RUN:   -march=rv32izihpm -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIHPM-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izihpm -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIHPM-EXT %s
+// RUN:   -march=rv64izihpm -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIHPM-EXT %s
 // CHECK-ZIHPM-EXT: __riscv_zihpm 2000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izk1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZK-EXT %s
+// RUN:   -march=rv32izk1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZK-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izk1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZK-EXT %s
+// RUN:   -march=rv64izk1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZK-EXT %s
 // CHECK-ZK-EXT: __riscv_zk
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32i_zkn_zkt_zkr -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZK %s
+// RUN:   -march=rv32i_zkn_zkt_zkr -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZK %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64i_zkn_zkt_zkr -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZK %s
+// RUN:   -march=rv64i_zkn_zkt_zkr -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZK %s
 // CHECK-COMBINE-INTO-ZK: __riscv_zk 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izkn1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKN-EXT %s
+// RUN:   -march=rv32izkn1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKN-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izkn1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKN-EXT %s
+// RUN:   -march=rv64izkn1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKN-EXT %s
 // CHECK-ZKN-EXT: __riscv_zkn
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32i_zbkb_zbkc_zbkx_zkne_zknd_zknh -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZKN %s
+// RUN:   -march=rv32i_zbkb_zbkc_zbkx_zkne_zknd_zknh -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZKN %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64i_zbkb_zbkc_zbkx_zkne_zknd_zknh -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZKN %s
+// RUN:   -march=rv64i_zbkb_zbkc_zbkx_zkne_zknd_zknh -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZKN %s
 // CHECK-COMBINE-INTO-ZKN: __riscv_zkn 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izknd1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKND-EXT %s
+// RUN:   -march=rv32izknd1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKND-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izknd1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKND-EXT %s
+// RUN:   -march=rv64izknd1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKND-EXT %s
 // CHECK-ZKND-EXT: __riscv_zknd
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izkne1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKNE-EXT %s
+// RUN:   -march=rv32izkne1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKNE-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izkne1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKNE-EXT %s
+// RUN:   -march=rv64izkne1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKNE-EXT %s
 // CHECK-ZKNE-EXT: __riscv_zkne
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izknh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKNH-EXT %s
+// RUN:   -march=rv32izknh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKNH-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izknh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKNH-EXT %s
+// RUN:   -march=rv64izknh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKNH-EXT %s
 // CHECK-ZKNH-EXT: __riscv_zknh
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izkr1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKR-EXT %s
+// RUN:   -march=rv32izkr1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKR-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izkr1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKR-EXT %s
+// RUN:   -march=rv64izkr1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKR-EXT %s
 // CHECK-ZKR-EXT: __riscv_zkr
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32i_zbkb_zbkc_zbkx_zksed_zksh -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZKS %s
+// RUN:   -march=rv32i_zbkb_zbkc_zbkx_zksed_zksh -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZKS %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64i_zbkb_zbkc_zbkx_zksed_zksh -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZKS %s
+// RUN:   -march=rv64i_zbkb_zbkc_zbkx_zksed_zksh -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZKS %s
 // CHECK-COMBINE-INTO-ZKS: __riscv_zks 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izks1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKS-EXT %s
+// RUN:   -march=rv32izks1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKS-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izks1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKS-EXT %s
+// RUN:   -march=rv64izks1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKS-EXT %s
 // CHECK-ZKS-EXT: __riscv_zks
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izksed1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKSED-EXT %s
+// RUN:   -march=rv32izksed1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKSED-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izksed1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKSED-EXT %s
+// RUN:   -march=rv64izksed1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKSED-EXT %s
 // CHECK-ZKSED-EXT: __riscv_zksed
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izksh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKSH-EXT %s
+// RUN:   -march=rv32izksh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKSH-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izksh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKSH-EXT %s
+// RUN:   -march=rv64izksh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKSH-EXT %s
 // CHECK-ZKSH-EXT: __riscv_zksh
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKT-EXT %s
+// RUN:   -march=rv32izkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKT-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZKT-EXT %s
+// RUN:   -march=rv64izkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZKT-EXT %s
 // CHECK-ZKT-EXT: __riscv_zkt
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izmmul1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZMMUL-EXT %s
+// RUN:   -march=rv32izmmul1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZMMUL-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izmmul1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZMMUL-EXT %s
+// RUN:   -march=rv64izmmul1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZMMUL-EXT %s
 // CHECK-ZMMUL-EXT: __riscv_zmmul
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ifzve32f1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE32F-EXT %s
+// RUN:   -march=rv32ifzve32f1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE32F-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ifzve32f1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE32F-EXT %s
+// RUN:   -march=rv64ifzve32f1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE32F-EXT %s
 // CHECK-ZVE32F-EXT: __riscv_v_elen 32
 // CHECK-ZVE32F-EXT: __riscv_v_elen_fp 32
 // CHECK-ZVE32F-EXT: __riscv_v_intrinsic 12000{{$}}
@@ -931,11 +931,11 @@
 // CHECK-ZVE32F-EXT: __riscv_zve32x 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izve32x1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE32X-EXT %s
+// RUN:   -march=rv32izve32x1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE32X-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izve32x1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE32X-EXT %s
+// RUN:   -march=rv64izve32x1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE32X-EXT %s
 // CHECK-ZVE32X-EXT: __riscv_v_elen 32
 // CHECK-ZVE32X-EXT: __riscv_v_elen_fp 0
 // CHECK-ZVE32X-EXT: __riscv_v_intrinsic 12000{{$}}
@@ -944,11 +944,11 @@
 // CHECK-ZVE32X-EXT: __riscv_zve32x 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ifdzve64d1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE64D-EXT %s
+// RUN:   -march=rv32ifdzve64d1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE64D-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ifdzve64d1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE64D-EXT %s
+// RUN:   -march=rv64ifdzve64d1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE64D-EXT %s
 // CHECK-ZVE64D-EXT: __riscv_v_elen 64
 // CHECK-ZVE64D-EXT: __riscv_v_elen_fp 64
 // CHECK-ZVE64D-EXT: __riscv_v_intrinsic 12000{{$}}
@@ -961,11 +961,11 @@
 // CHECK-ZVE64D-EXT: __riscv_zve64x 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32ifzve64f1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE64F-EXT %s
+// RUN:   -march=rv32ifzve64f1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE64F-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64ifzve64f1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE64F-EXT %s
+// RUN:   -march=rv64ifzve64f1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE64F-EXT %s
 // CHECK-ZVE64F-EXT: __riscv_v_elen 64
 // CHECK-ZVE64F-EXT: __riscv_v_elen_fp 32
 // CHECK-ZVE64F-EXT: __riscv_v_intrinsic 12000{{$}}
@@ -977,11 +977,11 @@
 // CHECK-ZVE64F-EXT: __riscv_zve64x 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izve64x1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE64X-EXT %s
+// RUN:   -march=rv32izve64x1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE64X-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izve64x1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVE64X-EXT %s
+// RUN:   -march=rv64izve64x1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVE64X-EXT %s
 // CHECK-ZVE64X-EXT: __riscv_v_elen 64
 // CHECK-ZVE64X-EXT: __riscv_v_elen_fp 0
 // CHECK-ZVE64X-EXT: __riscv_v_intrinsic 12000{{$}}
@@ -991,409 +991,409 @@
 // CHECK-ZVE64X-EXT: __riscv_zve64x 1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izvfh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVFH-EXT %s
+// RUN:   -march=rv32izvfh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVFH-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izvfh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVFH-EXT %s
+// RUN:   -march=rv64izvfh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVFH-EXT %s
 // CHECK-ZVFH-EXT: __riscv_zvfh
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izve32x1p0_zvl32b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL32b %s
+// RUN:   -march=rv32izve32x1p0_zvl32b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL32b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izve32x1p0_zvl32b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL32b %s
+// RUN:   -march=rv64izve32x1p0_zvl32b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL32b %s
 // CHECK-ZVL32b: __riscv_v_min_vlen 32
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izve32x1p0_zvl64b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL64b %s
+// RUN:   -march=rv32izve32x1p0_zvl64b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL64b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izve32x1p0_zvl64b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL64b %s
+// RUN:   -march=rv64izve32x1p0_zvl64b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL64b %s
 // CHECK-ZVL64b: __riscv_v_min_vlen 64
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl128b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL128b %s
+// RUN:   -march=rv32iv1p0_zvl128b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL128b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl128b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL128b %s
+// RUN:   -march=rv64iv1p0_zvl128b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL128b %s
 // CHECK-ZVL128b: __riscv_v_min_vlen 128
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl256b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL256b %s
+// RUN:   -march=rv32iv1p0_zvl256b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL256b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl256b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL256b %s
+// RUN:   -march=rv64iv1p0_zvl256b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL256b %s
 // CHECK-ZVL256b: __riscv_v_min_vlen 256
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl512b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL512b %s
+// RUN:   -march=rv32iv1p0_zvl512b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL512b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl512b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL512b %s
+// RUN:   -march=rv64iv1p0_zvl512b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL512b %s
 // CHECK-ZVL512b: __riscv_v_min_vlen 512
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl1024b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL1024b %s
+// RUN:   -march=rv32iv1p0_zvl1024b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL1024b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl1024b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL1024b %s
+// RUN:   -march=rv64iv1p0_zvl1024b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL1024b %s
 // CHECK-ZVL1024b: __riscv_v_min_vlen 1024
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl2048b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL2048b %s
+// RUN:   -march=rv32iv1p0_zvl2048b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL2048b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl2048b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL2048b %s
+// RUN:   -march=rv64iv1p0_zvl2048b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL2048b %s
 // CHECK-ZVL2048b: __riscv_v_min_vlen 2048
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl4096b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL4096b %s
+// RUN:   -march=rv32iv1p0_zvl4096b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL4096b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl4096b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL4096b %s
+// RUN:   -march=rv64iv1p0_zvl4096b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL4096b %s
 // CHECK-ZVL4096b: __riscv_v_min_vlen 4096
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl8192b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL8192b %s
+// RUN:   -march=rv32iv1p0_zvl8192b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL8192b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl8192b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL8192b %s
+// RUN:   -march=rv64iv1p0_zvl8192b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL8192b %s
 // CHECK-ZVL8192b: __riscv_v_min_vlen 8192
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl16384b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL16384b %s
+// RUN:   -march=rv32iv1p0_zvl16384b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL16384b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl16384b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL16384b %s
+// RUN:   -march=rv64iv1p0_zvl16384b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL16384b %s
 // CHECK-ZVL16384b: __riscv_v_min_vlen 16384
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl32768b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL32768b %s
+// RUN:   -march=rv32iv1p0_zvl32768b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL32768b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl32768b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL32768b %s
+// RUN:   -march=rv64iv1p0_zvl32768b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL32768b %s
 // CHECK-ZVL32768b: __riscv_v_min_vlen 32768
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32iv1p0_zvl65536b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL65536b %s
+// RUN:   -march=rv32iv1p0_zvl65536b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL65536b %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64iv1p0_zvl65536b1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVL65536b %s
+// RUN:   -march=rv64iv1p0_zvl65536b1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVL65536b %s
 // CHECK-ZVL65536b: __riscv_v_min_vlen 65536
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32ismaia1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SMAIA-EXT %s
+// RUN:   -march=rv32ismaia1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SMAIA-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64ismaia1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SMAIA-EXT %s
+// RUN:   -march=rv64ismaia1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SMAIA-EXT %s
 // CHECK-SMAIA-EXT: __riscv_smaia  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32issaia1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SSAIA-EXT %s
+// RUN:   -march=rv32issaia1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SSAIA-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64issaia1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SSAIA-EXT %s
+// RUN:   -march=rv64issaia1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SSAIA-EXT %s
 // CHECK-SSAIA-EXT: __riscv_ssaia  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32ismepmp1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SMEPMP-EXT %s
+// RUN:   -march=rv32ismepmp1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SMEPMP-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64ismepmp1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-SMEPMP-EXT %s
+// RUN:   -march=rv64ismepmp1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-SMEPMP-EXT %s
 // CHECK-SMEPMP-EXT: __riscv_smepmp  1000000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
-// RUN: -march=rv32izfa -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFA-EXT %s
+// RUN:   -march=rv32izfa -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFA-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu \
-// RUN: -march=rv64izfa -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFA-EXT %s
+// RUN:   -march=rv64izfa -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFA-EXT %s
 // CHECK-ZFA-EXT: __riscv_zfa 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvbb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVBB-EXT %s
+// RUN:   -march=rv32i_zve64x_zvbb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVBB-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvbb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVBB-EXT %s
+// RUN:   -march=rv64i_zve64x_zvbb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVBB-EXT %s
 // CHECK-ZVBB-EXT: __riscv_zvbb  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvbc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVBC-EXT %s
+// RUN:   -march=rv32i_zve64x_zvbc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVBC-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvbc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVBC-EXT %s
+// RUN:   -march=rv64i_zve64x_zvbc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVBC-EXT %s
 // CHECK-ZVBC-EXT: __riscv_zvbc  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvkb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKB-EXT %s
+// RUN:   -march=rv32i_zve64x_zvkb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKB-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvkb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKB-EXT %s
+// RUN:   -march=rv64i_zve64x_zvkb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKB-EXT %s
 // CHECK-ZVKB-EXT: __riscv_zvkb  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve32x_zvkg1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKG-EXT %s
+// RUN:   -march=rv32i_zve32x_zvkg1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKG-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve32x_zvkg1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKG-EXT %s
+// RUN:   -march=rv64i_zve32x_zvkg1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKG-EXT %s
 // CHECK-ZVKG-EXT: __riscv_zvkg  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvkn1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKN-EXT %s
+// RUN:   -march=rv32i_zve64x_zvkn1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKN-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvkn1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKN-EXT %s
+// RUN:   -march=rv64i_zve64x_zvkn1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKN-EXT %s
 // CHECK-ZVKN-EXT: __riscv_zvkn 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32iv_zvkb1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKN %s
+// RUN:   -march=rv32iv_zvkb1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKN %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64iv_zvkb1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKN %s
+// RUN:   -march=rv64iv_zvkb1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKN %s
 // CHECK-COMBINE-INTO-ZVKN: __riscv_zvkn 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvknc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNC-EXT %s
+// RUN:   -march=rv32i_zve64x_zvknc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNC-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvknc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNC-EXT %s
+// RUN:   -march=rv64i_zve64x_zvknc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNC-EXT %s
 // CHECK-ZVKNC-EXT: __riscv_zvknc 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32iv_zvkb1p0_zvbc1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKNC %s
+// RUN:   -march=rv32iv_zvkb1p0_zvbc1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKNC %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64iv_zvkb1p0_zvbc1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKNC %s
+// RUN:   -march=rv64iv_zvkb1p0_zvbc1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKNC %s
 // CHECK-COMBINE-INTO-ZVKNC: __riscv_zvkn 1000000{{$}}
 // CHECK-COMBINE-INTO-ZVKNC: __riscv_zvknc 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve32x_zvkned1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNED-EXT %s
+// RUN:   -march=rv32i_zve32x_zvkned1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNED-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve32x_zvkned1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNED-EXT %s
+// RUN:   -march=rv64i_zve32x_zvkned1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNED-EXT %s
 // CHECK-ZVKNED-EXT: __riscv_zvkned 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvkng1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNG-EXT %s
+// RUN:   -march=rv32i_zve64x_zvkng1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNG-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvkng1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNG-EXT %s
+// RUN:   -march=rv64i_zve64x_zvkng1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNG-EXT %s
 // CHECK-ZVKNG-EXT: __riscv_zvkng 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32iv_zvkb1p0_zvkg1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKNG %s
+// RUN:   -march=rv32iv_zvkb1p0_zvkg1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKNG %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64iv_zvkb1p0_zvkg1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKNG %s
+// RUN:   -march=rv64iv_zvkb1p0_zvkg1p0_zvkned1p0_zvknhb1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKNG %s
 // CHECK-COMBINE-INTO-ZVKNG: __riscv_zvkn 1000000{{$}}
 // CHECK-COMBINE-INTO-ZVKNG: __riscv_zvkng 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve32x_zvknha1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNHA-EXT %s
+// RUN:   -march=rv32i_zve32x_zvknha1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNHA-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve32x_zvknha1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNHA-EXT %s
+// RUN:   -march=rv64i_zve32x_zvknha1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNHA-EXT %s
 // CHECK-ZVKNHA-EXT: __riscv_zvknha 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvknhb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNHB-EXT %s
+// RUN:   -march=rv32i_zve64x_zvknhb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNHB-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvknhb1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKNHB-EXT %s
+// RUN:   -march=rv64i_zve64x_zvknhb1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKNHB-EXT %s
 // CHECK-ZVKNHB-EXT: __riscv_zvknhb  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvks1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKS-EXT %s
+// RUN:   -march=rv32i_zve64x_zvks1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKS-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvks1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKS-EXT %s
+// RUN:   -march=rv64i_zve64x_zvks1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKS-EXT %s
 // CHECK-ZVKS-EXT: __riscv_zvks 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32iv_zvkb1p0_zvksed1p0_zvksh1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKS %s
+// RUN:   -march=rv32iv_zvkb1p0_zvksed1p0_zvksh1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKS %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64iv_zvkb1p0_zvksed1p0_zvksh1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKS %s
+// RUN:   -march=rv64iv_zvkb1p0_zvksed1p0_zvksh1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKS %s
 // CHECK-COMBINE-INTO-ZVKS: __riscv_zvks 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvksc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKSC-EXT %s
+// RUN:   -march=rv32i_zve64x_zvksc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKSC-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvksc1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKSC-EXT %s
+// RUN:   -march=rv64i_zve64x_zvksc1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKSC-EXT %s
 // CHECK-ZVKSC-EXT: __riscv_zvksc 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32iv_zvkb1p0_zvbc1p0_zvksed1p0_zvksh1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKSC %s
+// RUN:   -march=rv32iv_zvkb1p0_zvbc1p0_zvksed1p0_zvksh1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKSC %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64iv_zvkb1p0_zvbc1p0_zvksed1p0_zvksh1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKSC %s
+// RUN:   -march=rv64iv_zvkb1p0_zvbc1p0_zvksed1p0_zvksh1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKSC %s
 // CHECK-COMBINE-INTO-ZVKSC: __riscv_zvks 1000000{{$}}
 // CHECK-COMBINE-INTO-ZVKSC: __riscv_zvksc 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve32x_zvksed1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKSED-EXT %s
+// RUN:   -march=rv32i_zve32x_zvksed1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKSED-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve32x_zvksed1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKSED-EXT %s
+// RUN:   -march=rv64i_zve32x_zvksed1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKSED-EXT %s
 // CHECK-ZVKSED-EXT: __riscv_zvksed  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve64x_zvksg1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKSG-EXT %s
+// RUN:   -march=rv32i_zve64x_zvksg1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKSG-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve64x_zvksg1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKSG-EXT %s
+// RUN:   -march=rv64i_zve64x_zvksg1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKSG-EXT %s
 // CHECK-ZVKSG-EXT: __riscv_zvksg 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32iv_zvkb1p0_zvkg1p0_zvksed1p0_zvksh1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKSG %s
+// RUN:   -march=rv32iv_zvkb1p0_zvkg1p0_zvksed1p0_zvksh1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKSG %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64iv_zvkb1p0_zvkg1p0_zvksed1p0_zvksh1p0_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKSG %s
+// RUN:   -march=rv64iv_zvkb1p0_zvkg1p0_zvksed1p0_zvksh1p0_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-COMBINE-INTO-ZVKSG %s
 // CHECK-COMBINE-INTO-ZVKSG: __riscv_zvks 1000000{{$}}
 // CHECK-COMBINE-INTO-ZVKSG: __riscv_zvksg 1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve32x_zvksh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKSH-EXT %s
+// RUN:   -march=rv32i_zve32x_zvksh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKSH-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve32x_zvksh1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKSH-EXT %s
+// RUN:   -march=rv64i_zve32x_zvksh1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKSH-EXT %s
 // CHECK-ZVKSH-EXT: __riscv_zvksh  1000000{{$}}
 
 // RUN: %clang --target=riscv32 \
-// RUN: -march=rv32i_zve32x_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
+// RUN:   -march=rv32i_zve32x_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
 // RUN: %clang --target=riscv64 \
-// RUN: -march=rv64i_zve32x_zvkt1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
+// RUN:   -march=rv64i_zve32x_zvkt1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVKT-EXT %s
 // CHECK-ZVKT-EXT: __riscv_zvkt 1000000{{$}}
 
 // Experimental extensions
 
 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32i_zacas1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
+// RUN:   -march=rv32i_zacas1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64i_zacas1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
+// RUN:   -march=rv64i_zacas1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
 // CHECK-ZACAS-EXT: __riscv_zacas 1000000{{$}}
 
 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32izfbfmin1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFBFMIN-EXT %s
+// RUN:   -march=rv32izfbfmin1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFBFMIN-EXT %s
 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64izfbfmin1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZFBFMIN-EXT %s
+// RUN:   -march=rv64izfbfmin1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZFBFMIN-EXT %s
 // CHECK-ZFBFMIN-EXT: __riscv_zfbfmin 1000000{{$}}
 
 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32i_zicfilp0p4 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICFILP-EXT %s
+// RUN:   -march=rv32i_zicfilp0p4 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICFILP-EXT %s
 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64i_zicfilp0p4 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICFILP-EXT %s
+// RUN:   -march=rv64i_zicfilp0p4 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICFILP-EXT %s
 // CHECK-ZICFILP-EXT: __riscv_zicfilp 4000{{$}}
 
 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32i_zicond1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICOND-EXT %s
+// RUN:   -march=rv32i_zicond1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICOND-EXT %s
 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64i_zicond1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICOND-EXT %s
+// RUN:   -march=rv64i_zicond1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICOND-EXT %s
 // CHECK-ZICOND-EXT: __riscv_zicond  1000000{{$}}
 
 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32i_zimop0p1 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIMOP-EXT %s
+// RUN:   -march=rv32i_zimop0p1 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIMOP-EXT %s
 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64i_zimop0p1 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZIMOP-EXT %s
+// RUN:   -march=rv64i_zimop0p1 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZIMOP-EXT %s
 // CHECK-ZIMOP-EXT: __riscv_zimop  1000{{$}}
 
 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32i_zcmop0p2 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCMOP-EXT %s
+// RUN:   -march=rv32i_zcmop0p2 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCMOP-EXT %s
 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64i_zcmop0p2 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZCMOP-EXT %s
+// RUN:   -march=rv64i_zcmop0p2 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZCMOP-EXT %s
 // CHECK-ZCMOP-EXT: __riscv_zcmop  2000{{$}}
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu -menable-experimental-extensions \
-// RUN: -march=rv32iztso0p1 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZTSO-EXT %s
+// RUN:   -march=rv32iztso0p1 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZTSO-EXT %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu -menable-experimental-extensions \
-// RUN: -march=rv64iztso0p1 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZTSO-EXT %s
+// RUN:   -march=rv64iztso0p1 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZTSO-EXT %s
 // CHECK-ZTSO-EXT: __riscv_ztso 1000{{$}}
 
 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32ifzvfbfmin1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVFBFMIN-EXT %s
+// RUN:   -march=rv32ifzvfbfmin1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVFBFMIN-EXT %s
 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64ifzvfbfmin1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVFBFMIN-EXT %s
+// RUN:   -march=rv64ifzvfbfmin1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVFBFMIN-EXT %s
 // CHECK-ZVFBFMIN-EXT: __riscv_zvfbfmin 1000000{{$}}
 
 // RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32ifzvfbfwma1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVFBFWMA-EXT %s
+// RUN:   -march=rv32ifzvfbfwma1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVFBFWMA-EXT %s
 // RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64ifzvfbfwma1p0 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZVFBFWMA-EXT %s
+// RUN:   -march=rv64ifzvfbfwma1p0 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZVFBFWMA-EXT %s
 // CHECK-ZVFBFWMA-EXT: __riscv_zvfbfwma 1000000{{$}}
 
 // RUN: %clang -target riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32izicfiss0p4 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICFISS-EXT %s
+// RUN:   -march=rv32izicfiss0p4 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICFISS-EXT %s
 // RUN: %clang -target riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64izicfiss0p4 -x c -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZICFISS-EXT %s
+// RUN:   -march=rv64izicfiss0p4 -E -dM %s \
+// RUN:   -o - | FileCheck --check-prefix=CHECK-ZICFISS-EXT %s
 // CHECK-ZICFISS-EXT: __riscv_zicfiss 4000{{$}}
 
 // Misaligned
 
-// RUN: %clang --target=riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
-// RUN: -o - | FileCheck %s --check-prefix=CHECK-MISALIGNED-AVOID
-// RUN: %clang --target=riscv64-unknown-linux-gnu -march=rv64i -x c -E -dM %s \
-// RUN: -o - | FileCheck %s --check-prefix=CHECK-MISALIGNED-AVOID
+// RUN: %clang --target=riscv32-unknown-linux-gnu -march=rv32i -E -dM %s \
+// RUN:   -o - | FileCheck %s --check-prefix=CHECK-MISALIGNED-AVOID
+// RUN: %clang --target=riscv64-unknown-linux-gnu -march=rv64i -E -dM %s \
+// RUN:   -o - | FileCheck %s --check-prefix=CHECK-MISALIGNED-AVOID
 // CHECK-MISALIGNED-AVOID: __riscv_misaligned_avoid 1
 
 // RUN: %clang --target=riscv32-unknown-linux-gnu -march=rv32i -E -dM %s \



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