[llvm-branch-commits] [clang] 68f8fae - [PowerPC] Implement trap and conversion builtins for XL compatibility
Albion Fung via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Fri Jun 25 00:12:07 PDT 2021
Author: Albion Fung
Date: 2021-06-25T02:11:39-05:00
New Revision: 68f8fae19f3b20d4bdd88c22ee67ee3ba0114768
URL: https://github.com/llvm/llvm-project/commit/68f8fae19f3b20d4bdd88c22ee67ee3ba0114768
DIFF: https://github.com/llvm/llvm-project/commit/68f8fae19f3b20d4bdd88c22ee67ee3ba0114768.diff
LOG: [PowerPC] Implement trap and conversion builtins for XL compatibility
This patch implements trap and FP to and from double conversions. The builtins
generate code that mirror what is generated from the XL compiler. Intrinsics
are named conventionally with builtin_ppc, but are aliased to provide the same
builtin names as the XL compiler.
Differential Revision: https://reviews.llvm.org/D103668
Added:
clang/test/CodeGen/builtins-ppc-xlcompat-error.c
llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-conversionfunc.c
llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-conversionfunc.ll
llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-trap.c
llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-trap.ll
Modified:
clang/include/clang/Basic/BuiltinsPPC.def
clang/lib/Basic/Targets/PPC.cpp
clang/lib/Sema/SemaChecking.cpp
llvm/include/llvm/IR/IntrinsicsPowerPC.td
llvm/lib/Target/PowerPC/PPCInstr64Bit.td
llvm/lib/Target/PowerPC/PPCInstrPrefix.td
Removed:
################################################################################
diff --git a/clang/include/clang/Basic/BuiltinsPPC.def b/clang/include/clang/Basic/BuiltinsPPC.def
index 47b485473342..c660d8e2a344 100644
--- a/clang/include/clang/Basic/BuiltinsPPC.def
+++ b/clang/include/clang/Basic/BuiltinsPPC.def
@@ -29,7 +29,7 @@
#define UNALIASED_CUSTOM_BUILTIN(ID, TYPES, ACCUMULATE) \
CUSTOM_BUILTIN(ID, ID, TYPES, ACCUMULATE)
-// builtins for compatibility with the XL compiler
+// XL Compatibility built-ins
BUILTIN(__builtin_ppc_popcntb, "ULiULi", "")
BUILTIN(__builtin_ppc_eieio, "v", "")
BUILTIN(__builtin_ppc_iospace_eieio, "v", "")
@@ -47,6 +47,18 @@ BUILTIN(__builtin_ppc_dcbz, "vv*", "")
BUILTIN(__builtin_ppc_icbt, "vv*", "")
BUILTIN(__builtin_ppc_compare_and_swap, "iiD*i*i", "")
BUILTIN(__builtin_ppc_compare_and_swaplp, "iLiD*Li*Li", "")
+BUILTIN(__builtin_ppc_tdw, "vLLiLLiIi", "")
+BUILTIN(__builtin_ppc_tw, "viiIi", "")
+BUILTIN(__builtin_ppc_trap, "vi", "")
+BUILTIN(__builtin_ppc_trapd, "vLi", "")
+BUILTIN(__builtin_ppc_fcfid, "dd", "")
+BUILTIN(__builtin_ppc_fcfud, "dd", "")
+BUILTIN(__builtin_ppc_fctid, "dd", "")
+BUILTIN(__builtin_ppc_fctidz, "dd", "")
+BUILTIN(__builtin_ppc_fctiw, "dd", "")
+BUILTIN(__builtin_ppc_fctiwz, "dd", "")
+BUILTIN(__builtin_ppc_fctudz, "dd", "")
+BUILTIN(__builtin_ppc_fctuwz, "dd", "")
BUILTIN(__builtin_ppc_get_timebase, "ULLi", "n")
diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index e051826c5216..5a28ed95f5ca 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -100,6 +100,18 @@ static void defineXLCompatMacros(MacroBuilder &Builder) {
Builder.defineMacro("__compare_and_swap", "__builtin_ppc_compare_and_swap");
Builder.defineMacro("__compare_and_swaplp",
"__builtin_ppc_compare_and_swaplp");
+ Builder.defineMacro("__tdw", "__builtin_ppc_tdw");
+ Builder.defineMacro("__tw", "__builtin_ppc_tw");
+ Builder.defineMacro("__trap", "__builtin_ppc_trap");
+ Builder.defineMacro("__trapd", "__builtin_ppc_trapd");
+ Builder.defineMacro("__fcfid", "__builtin_ppc_fcfid");
+ Builder.defineMacro("__fcfud", "__builtin_ppc_fcfud");
+ Builder.defineMacro("__fctid", "__builtin_ppc_fctid");
+ Builder.defineMacro("__fctidz", "__builtin_ppc_fctidz");
+ Builder.defineMacro("__fctiw", "__builtin_ppc_fctiw");
+ Builder.defineMacro("__fctiwz", "__builtin_ppc_fctiwz");
+ Builder.defineMacro("__fctudz", "__builtin_ppc_fctudz");
+ Builder.defineMacro("__fctuwz", "__builtin_ppc_fctuwz");
}
/// PPCTargetInfo::getTargetDefines - Return a set of the PowerPC-specific
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 17eeebb0c679..ffac6dbf1f44 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -3341,6 +3341,21 @@ bool Sema::CheckPPCBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID,
return SemaBuiltinConstantArgRange(TheCall, 2, 0, 7);
case PPC::BI__builtin_vsx_xxpermx:
return SemaBuiltinConstantArgRange(TheCall, 3, 0, 7);
+ case PPC::BI__builtin_ppc_tw: {
+ return SemaBuiltinConstantArgRange(TheCall, 2, 1, 31);
+ }
+ case PPC::BI__builtin_ppc_tdw: {
+ // return TI.getTypeWidth(TI.getIntPtrType()) == 64 &&
+ return SemaBuiltinConstantArgRange(TheCall, 2, 1, 31);
+ }
+ // case PPC::BI__builtin_ppc_fcfid:
+ // case PPC::BI__builtin_ppc_fcfud:
+ // case PPC::BI__builtin_ppc_fctid:
+ // case PPC::BI__builtin_ppc_fctidz:
+ // case PPC::BI__builtin_ppc_fctudz:
+ // case PPC::BI__builtin_ppc_trapd: {
+ // TI.getTypeWidth(TI.getIntPtrType()) == 64;
+ // }
#define CUSTOM_BUILTIN(Name, Intr, Types, Acc) \
case PPC::BI__builtin_##Name: \
return SemaBuiltinPPCMMACall(TheCall, Types);
diff --git a/clang/test/CodeGen/builtins-ppc-xlcompat-error.c b/clang/test/CodeGen/builtins-ppc-xlcompat-error.c
new file mode 100644
index 000000000000..ecdb6d15240c
--- /dev/null
+++ b/clang/test/CodeGen/builtins-ppc-xlcompat-error.c
@@ -0,0 +1,17 @@
+// REQUIRES: powerpc-registered-target
+// RUN: %clang_cc1 -triple powerpc64-unknown-unknown -fsyntax-only \
+// RUN: -Wall -Werror -verify %s
+// RUN: %clang_cc1 -triple powerpc64le-unknown-unknown -fsyntax-only \
+// RUN: -Wall -Werror -verify %s
+// RUN: %clang_cc1 -triple powerpc64-unknown-aix -fsyntax-only \
+// RUN: -Wall -Werror -verify %s
+// RUN: %clang_cc1 -triple powerpc-unknown-aix -fsyntax-only \
+// RUN: -Wall -Werror -verify %s
+
+long long lla, llb;
+int ia, ib;
+
+void test_trap(void) {
+ __tdw(lla, llb, 50); //expected-error {{argument value 50 is outside the valid range [1, 31]}}
+ __tw(ia, ib, 50); //expected-error {{argument value 50 is outside the valid range [1, 31]}}
+}
diff --git a/llvm/include/llvm/IR/IntrinsicsPowerPC.td b/llvm/include/llvm/IR/IntrinsicsPowerPC.td
index ca1055c0d0cb..7de234bbf025 100644
--- a/llvm/include/llvm/IR/IntrinsicsPowerPC.td
+++ b/llvm/include/llvm/IR/IntrinsicsPowerPC.td
@@ -112,9 +112,45 @@ let TargetPrefix = "ppc" in { // All intrinsics start with "llvm.ppc.".
: GCCBuiltin<"__builtin_vsx_scalar_insert_exp_qp">,
Intrinsic <[llvm_f128_ty], [llvm_f128_ty, llvm_i64_ty], [IntrNoMem]>;
+ // Intrinsics defined to maintain XL compatibility
+ def int_ppc_tdw
+ : GCCBuiltin<"__builtin_ppc_tdw">,
+ Intrinsic <[], [llvm_i64_ty, llvm_i64_ty, llvm_i32_ty], [ImmArg<ArgIndex<2>>]>;
+ def int_ppc_tw
+ : GCCBuiltin<"__builtin_ppc_tw">,
+ Intrinsic <[], [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty], [ImmArg<ArgIndex<2>>]>;
+ def int_ppc_trapd
+ : GCCBuiltin<"__builtin_ppc_trapd">,
+ Intrinsic <[], [llvm_i64_ty], []>;
+ def int_ppc_trap
+ : GCCBuiltin<"__builtin_ppc_trap">,
+ Intrinsic <[], [llvm_i32_ty], []>;
+ def int_ppc_fcfid
+ : GCCBuiltin<"__builtin_ppc_fcfid">,
+ Intrinsic <[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
+ def int_ppc_fcfud
+ : GCCBuiltin<"__builtin_ppc_fcfud">,
+ Intrinsic <[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
+ def int_ppc_fctid
+ : GCCBuiltin<"__builtin_ppc_fctid">,
+ Intrinsic <[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
+ def int_ppc_fctidz
+ : GCCBuiltin<"__builtin_ppc_fctidz">,
+ Intrinsic <[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
+ def int_ppc_fctiw
+ : GCCBuiltin<"__builtin_ppc_fctiw">,
+ Intrinsic <[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
+ def int_ppc_fctiwz
+ : GCCBuiltin<"__builtin_ppc_fctiwz">,
+ Intrinsic <[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
+ def int_ppc_fctudz
+ : GCCBuiltin<"__builtin_ppc_fctudz">,
+ Intrinsic <[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
+ def int_ppc_fctuwz
+ : GCCBuiltin<"__builtin_ppc_fctuwz">,
+ Intrinsic <[llvm_double_ty], [llvm_double_ty], [IntrNoMem]>;
}
-
let TargetPrefix = "ppc" in { // All PPC intrinsics start with "llvm.ppc.".
/// PowerPC_Vec_Intrinsic - Base class for all altivec intrinsics.
class PowerPC_Vec_Intrinsic<string GCCIntSuffix, list<LLVMType> ret_types,
diff --git a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
index 2ea729ffdf4f..1995bbec2c21 100644
--- a/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
+++ b/llvm/lib/Target/PowerPC/PPCInstr64Bit.td
@@ -1720,3 +1720,17 @@ def SLBIEG : XForm_26<31, 466, (outs), (ins gprc:$RS, gprc:$RB),
def SLBSYNC : XForm_0<31, 338, (outs), (ins), "slbsync", IIC_SprSLBSYNC, []>;
} // IsISA3_0
+
+// tdne
+def : Pat<(int_ppc_tdw g8rc:$A, g8rc:$B, 3),
+ (TD 24, $A, $B)>;
+// tweq, but we can use tdeq instead
+// as XL produces a tweq <regA>, <regA>.
+def : Pat<(int_ppc_tdw g8rc:$A, g8rc:$B, 31),
+ (TD 4, $A, $B)>;
+def : Pat<(int_ppc_tdw g8rc:$A, g8rc:$B, i32:$IMM),
+ (TD $IMM, $A, $B)>;
+
+// trapd
+def : Pat<(int_ppc_trapd g8rc:$A),
+ (TDI 24, $A, 0)>;
diff --git a/llvm/lib/Target/PowerPC/PPCInstrPrefix.td b/llvm/lib/Target/PowerPC/PPCInstrPrefix.td
index b183dbd4b3bb..2ed335b70502 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrPrefix.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrPrefix.td
@@ -2836,3 +2836,32 @@ let Predicates = [IsISA3_1, HasVSX, IsBigEndian, IsPPC64] in {
def : Pat<(v2i64 (PPCvecinsertelt v2i64:$vDi, i64:$rA, (i64 i))),
(VINSD $vDi, !mul(i, 8), $rA)>;
}
+
+// XL Compatibility
+// twne
+def : Pat<(int_ppc_tw gprc:$A, gprc:$B, 3),
+ (TW 24, $A, $B)>;
+// tweq
+def : Pat<(int_ppc_tw gprc:$A, gprc:$B, 31),
+ (TW 4, $A, $B)>;
+def : Pat<(int_ppc_tw gprc:$A, gprc:$B, i32:$IMM),
+ (TW $IMM, $A, $B)>;
+def : Pat<(int_ppc_trap gprc:$A),
+ (TWI 24, $A, 0)>;
+
+def : Pat<(int_ppc_fcfid f64:$A),
+ (XSCVSXDDP $A)>;
+def : Pat<(int_ppc_fcfud f64:$A),
+ (XSCVUXDDP $A)>;
+def : Pat<(int_ppc_fctid f64:$A),
+ (FCTID $A)>;
+def : Pat<(int_ppc_fctidz f64:$A),
+ (XSCVDPSXDS $A)>;
+def : Pat<(int_ppc_fctiw f64:$A),
+ (FCTIW $A)>;
+def : Pat<(int_ppc_fctiwz f64:$A),
+ (XSCVDPSXWS $A)>;
+def : Pat<(int_ppc_fctudz f64:$A),
+ (XSCVDPUXDS $A)>;
+def : Pat<(int_ppc_fctuwz f64:$A),
+ (XSCVDPUXWS $A)>;
diff --git a/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-conversionfunc.c b/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-conversionfunc.c
new file mode 100644
index 000000000000..f401cd8cf7c7
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-conversionfunc.c
@@ -0,0 +1,120 @@
+// RUN: %clang_cc1 -O2 -triple powerpc64-unknown-unknown \
+// RUN: -emit-llvm %s -o - -target-cpu pwr9 | FileCheck %s
+// RUN: %clang_cc1 -O2 -triple powerpc64le-unknown-unknown \
+// RUN: -emit-llvm %s -o - -target-cpu pwr9 | FileCheck %s
+// RUN: %clang_cc1 -O2 -triple powerpc-unknown-aix \
+// RUN: -emit-llvm %s -o - -target-cpu pwr9 | FileCheck %s
+// RUN: %clang_cc1 -O2 -triple powerpc64-unknown-aix \
+// RUN: -emit-llvm %s -o - -target-cpu pwr9 | FileCheck %s
+
+double test_fcfid(double a) {
+ // CHECK-LABEL: test_fcfid
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fcfid(double %0)
+ return __builtin_ppc_fcfid(a);
+}
+
+double test_xl_fcfid(double a) {
+ // CHECK-LABEL: test_xl_fcfid
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fcfid(double %0)
+ return __fcfid(a);
+}
+
+double test_fcfud(double a) {
+ // CHECK-LABEL: test_fcfud
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fcfud(double %0)
+ return __builtin_ppc_fcfud(a);
+}
+
+double test_xl_fcfud(double a) {
+ // CHECK-LABEL: test_xl_fcfud
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fcfud(double %0)
+ return __fcfud(a);
+}
+
+double test_fctid(double a) {
+ // CHECK-LABEL: test_fctid
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __builtin_ppc_fctid(a);
+}
+
+double test_xl_fctid(double a) {
+ // CHECK-LABEL: test_xl_fctid
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __fctid(a);
+}
+
+double test_fctidz(double a) {
+ // CHECK-LABEL: test_fctidz
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __builtin_ppc_fctidz(a);
+}
+
+double test_xl_fctidz(double a) {
+ // CHECK-LABEL: test_xl_fctidz
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __fctidz(a);
+}
+
+double test_fctiw(double a) {
+ // CHECK-LABEL: test_fctiw
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __builtin_ppc_fctiw(a);
+}
+
+double test_xl_fctiw(double a) {
+ // CHECK-LABEL: test_xl_fctiw
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __fctiw(a);
+}
+
+double test_fctiwz(double a) {
+ // CHECK-LABEL: test_fctiwz
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __builtin_ppc_fctiwz(a);
+}
+
+double test_xl_fctiwz(double a) {
+ // CHECK-LABEL: test_xl_fctiwz
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __fctiwz(a);
+}
+
+double test_fctudz(double a) {
+ // CHECK-LABEL: test_fctudz
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __builtin_ppc_fctudz(a);
+}
+
+double test_xl_fctudz(double a) {
+ // CHECK-LABEL: test_xl_fctudz
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __fctudz(a);
+}
+
+double test_fctuwz(double a) {
+ // CHECK-LABEL: test_fctuwz
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __builtin_ppc_fctuwz(a);
+}
+
+double test_xl_fctuwz(double a) {
+ // CHECK-LABEL: test_xl_fctuwz
+ // CHECK-NEXT: entry:
+ // CHECK: double @llvm.ppc.fctid(double %0)
+ return __fctuwz(a);
+}
\ No newline at end of file
diff --git a/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-conversionfunc.ll b/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-conversionfunc.ll
new file mode 100644
index 000000000000..561b95ad668b
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-conversionfunc.ll
@@ -0,0 +1,129 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-64
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-64
+; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-aix \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-32
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-aix \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-64
+
+declare double @llvm.ppc.fcfid(double %a)
+define dso_local double @test_fcfid(double %a) {
+; CHECK-64-LABEL: test_fcfid:
+; CHECK-64: # %bb.0:
+; CHECK-64-NEXT: xscvsxddp 1, 1
+; CHECK-64-NEXT: blr
+;
+; CHECK-32-LABEL: test_fcfid:
+; CHECK-32: # %bb.0:
+; CHECK-32-NEXT: xscvsxddp 1, 1
+; CHECK-32-NEXT: blr
+ %1 = call double @llvm.ppc.fcfid(double %a)
+ ret double %1
+}
+
+declare double @llvm.ppc.fcfud(double %a)
+define dso_local double @test_fcfud(double %a) {
+; CHECK-64-LABEL: test_fcfud:
+; CHECK-64: # %bb.0:
+; CHECK-64-NEXT: xscvuxddp 1, 1
+; CHECK-64-NEXT: blr
+;
+; CHECK-32-LABEL: test_fcfud:
+; CHECK-32: # %bb.0:
+; CHECK-32-NEXT: xscvuxddp 1, 1
+; CHECK-32-NEXT: blr
+ %1 = call double @llvm.ppc.fcfud(double %a)
+ ret double %1
+}
+
+declare double @llvm.ppc.fctid(double %a)
+define dso_local double @test_fctid(double %a) {
+; CHECK-64-LABEL: test_fctid:
+; CHECK-64: # %bb.0:
+; CHECK-64-NEXT: fctid 1, 1
+; CHECK-64-NEXT: blr
+;
+; CHECK-32-LABEL: test_fctid:
+; CHECK-32: # %bb.0:
+; CHECK-32-NEXT: fctid 1, 1
+; CHECK-32-NEXT: blr
+ %1 = call double @llvm.ppc.fctid(double %a)
+ ret double %1
+}
+
+declare double @llvm.ppc.fctidz(double %a)
+define dso_local double @test_fctidz(double %a) {
+; CHECK-64-LABEL: test_fctidz:
+; CHECK-64: # %bb.0:
+; CHECK-64-NEXT: fctid 1, 1
+; CHECK-64-NEXT: blr
+;
+; CHECK-32-LABEL: test_fctidz:
+; CHECK-32: # %bb.0:
+; CHECK-32-NEXT: fctid 1, 1
+; CHECK-32-NEXT: blr
+ %1 = call double @llvm.ppc.fctid(double %a)
+ ret double %1
+}
+
+declare double @llvm.ppc.fctiw(double %a)
+define dso_local double @test_fctiw(double %a) {
+; CHECK-64-LABEL: test_fctiw:
+; CHECK-64: # %bb.0:
+; CHECK-64-NEXT: fctid 1, 1
+; CHECK-64-NEXT: blr
+;
+; CHECK-32-LABEL: test_fctiw:
+; CHECK-32: # %bb.0:
+; CHECK-32-NEXT: fctid 1, 1
+; CHECK-32-NEXT: blr
+ %1 = call double @llvm.ppc.fctid(double %a)
+ ret double %1
+}
+
+declare double @llvm.ppc.fctiwz(double %a)
+define dso_local double @test_fctiwz(double %a) {
+; CHECK-64-LABEL: test_fctiwz:
+; CHECK-64: # %bb.0:
+; CHECK-64-NEXT: fctid 1, 1
+; CHECK-64-NEXT: blr
+;
+; CHECK-32-LABEL: test_fctiwz:
+; CHECK-32: # %bb.0:
+; CHECK-32-NEXT: fctid 1, 1
+; CHECK-32-NEXT: blr
+ %1 = call double @llvm.ppc.fctid(double %a)
+ ret double %1
+}
+
+declare double @llvm.ppc.fctudz(double %a)
+define dso_local double @test_fctudz(double %a) {
+; CHECK-64-LABEL: test_fctudz:
+; CHECK-64: # %bb.0:
+; CHECK-64-NEXT: fctid 1, 1
+; CHECK-64-NEXT: blr
+;
+; CHECK-32-LABEL: test_fctudz:
+; CHECK-32: # %bb.0:
+; CHECK-32-NEXT: fctid 1, 1
+; CHECK-32-NEXT: blr
+ %1 = call double @llvm.ppc.fctid(double %a)
+ ret double %1
+}
+
+declare double @llvm.ppc.fctuwz(double %a)
+define dso_local double @test_fctuwz(double %a) {
+; CHECK-64-LABEL: test_fctuwz:
+; CHECK-64: # %bb.0:
+; CHECK-64-NEXT: fctid 1, 1
+; CHECK-64-NEXT: blr
+;
+; CHECK-32-LABEL: test_fctuwz:
+; CHECK-32: # %bb.0:
+; CHECK-32-NEXT: fctid 1, 1
+; CHECK-32-NEXT: blr
+ %1 = call double @llvm.ppc.fctid(double %a)
+ ret double %1
+}
diff --git a/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-trap.c b/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-trap.c
new file mode 100644
index 000000000000..2f5e2e6f7eea
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-trap.c
@@ -0,0 +1,80 @@
+// RUN: %clang_cc1 -O2 -triple powerpc64-unknown-unknown \
+// RUN: -emit-llvm %s -o - -target-cpu pwr9 | FileCheck %s
+// RUN: %clang_cc1 -O2 -triple powerpc64le-unknown-unknown \
+// RUN: -emit-llvm %s -o - -target-cpu pwr9 | FileCheck %s
+// RUN: %clang_cc1 -O2 -triple powerpc-unknown-aix \
+// RUN: -emit-llvm %s -o - -target-cpu pwr9 | FileCheck %s
+// RUN: %clang_cc1 -O2 -triple powerpc64-unknown-aix \
+// RUN: -emit-llvm %s -o - -target-cpu pwr9 | FileCheck %s
+
+long long lla, llb;
+double da;
+int ia, ib;
+
+#ifndef __PPC64__
+// tdw
+void test_xl_tdw(void) {
+// CHECK-LABEL: test_xl_tdw
+// CHECK-NEXT: entry:
+// CHECK: void @llvm.ppc.tdw(i64 %0, i64 %1, i32 1)
+
+ __tdw(lla, llb, 1);
+}
+
+void test_tdw(void) {
+// CHECK-LABEL: test_tdw
+// CHECK-NEXT: entry:
+// CHECK: void @llvm.ppc.tdw(i64 %0, i64 %1, i32 13)
+
+ __builtin_ppc_tdw(lla, llb, 13);
+}
+#endif
+
+// td
+void test_tw(void) {
+// CHECK-LABEL: test_tw
+// CHECK-NEXT: entry:
+// CHECK: void @llvm.ppc.tw(i32 %0, i32 %1, i32 1)
+
+ __builtin_ppc_tw(ia, ib, 1);
+}
+
+void test_xl_tw(void) {
+// CHECK-LABEL: test_xl_tw
+// CHECK-NEXT: entry:
+// CHECK: void @llvm.ppc.tw(i32 %0, i32 %1, i32 1)
+
+ __tw(ia, ib, 1);
+}
+
+// trap
+void test_trap(void) {
+// CHECK-LABEL: test_trapd
+// CHECK-NEXT: entry:
+// CHECK: void @llvm.ppc.trap(i32 %0)
+ __builtin_ppc_trap(ia);
+}
+
+void test_xl_trap(void) {
+// CHECK-LABEL: test_xl_trapd
+// CHECK-NEXT: entry:
+// CHECK: void @llvm.ppc.trapd(i32 %0)
+ __trap(ia);
+}
+
+#ifndef __PPC64__
+// trapd
+void test_trapd(void) {
+// CHECK-LABEL: test_trapd
+// CHECK-NEXT: entry:
+// CHECK: void @llvm.ppc.trapd(i64 %0)
+ __builtin_ppc_trapd(da);
+}
+
+void test_xl_trapd(void) {
+// CHECK-LABEL: test_xl_trapd
+// CHECK-NEXT: entry:
+// CHECK: void @llvm.ppc.trapd(i64 %0)
+ __trapd(da);
+}
+#endif
diff --git a/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-trap.ll b/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-trap.ll
new file mode 100644
index 000000000000..1407dbf1db5f
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/builtins-ppc-xlcompat-trap.ll
@@ -0,0 +1,154 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-64
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-64
+; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-aix \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-32
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-aix \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-64
+
+; tdw
+#ifndef __PPC64__
+declare void @llvm.ppc.tdw(i64 %a, i64 %b, i32 immarg)
+define dso_local void @test__tdwlgt(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 1)
+ ret void
+}
+
+define dso_local void @test__tdwllt(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 2)
+ ret void
+}
+
+define dso_local void @test__tdweq(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 4)
+ ret void
+}
+
+define dso_local void @test__tdwlge(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 5)
+ ret void
+}
+
+define dso_local void @test__tdwlle(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 6)
+ ret void
+}
+
+define dso_local void @test__tdwgt(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 8)
+ ret void
+}
+
+define dso_local void @test__tdwge(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 12)
+ ret void
+}
+
+define dso_local void @test__tdwlt(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 16)
+ ret void
+}
+
+define dso_local void @test__tdwle(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 20)
+ ret void
+}
+
+define dso_local void @test__tdwne24(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 24)
+ ret void
+}
+
+define dso_local void @test__tdweq31(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 31)
+ ret void
+}
+
+define dso_local void @test__tdw_no_match(i64 %a, i64 %b) {
+ call void @llvm.ppc.tdw(i64 %a, i64 %b, i32 13)
+ ret void
+}
+#endif
+
+; tw
+declare void @llvm.ppc.tw(i32 %a, i32 %b, i32 %c)
+define dso_local void @test__twlgt(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 1)
+ ret void
+}
+
+define dso_local void @test__twllt(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 2)
+ ret void
+}
+
+define dso_local void @test__twne3(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 3)
+ ret void
+}
+
+define dso_local void @test__tweq(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 4)
+ ret void
+}
+
+define dso_local void @test__twlge(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 5)
+ ret void
+}
+
+define dso_local void @test__twlle(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 6)
+ ret void
+}
+
+define dso_local void @test__twgt(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 8)
+ ret void
+}
+
+define dso_local void @test__twge(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 12)
+ ret void
+}
+
+define dso_local void @test__twlt(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 16)
+ ret void
+}
+
+define dso_local void @test__twle(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 20)
+ ret void
+}
+
+define dso_local void @test__twne24(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 24)
+ ret void
+}
+
+define dso_local void @test__tweq31(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 31)
+ ret void
+}
+
+define dso_local void @test__tw_no_match(i32 %a, i32 %b) {
+ call void @llvm.ppc.tw(i32 %a, i32 %b, i32 13)
+ ret void
+}
+
+; trap
+declare void @llvm.ppc.trap(i32 %a)
+define dso_local void @test__trap(i32 %a) {
+ call void @llvm.ppc.trap(i32 %a)
+ ret void
+}
+
+; trapd
+declare void @llvm.ppc.trapd(i64 %a)
+define dso_local void @test__trapd(i64 %a) {
+ call void @llvm.ppc.trapd(i64 %a)
+ ret void
+}
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