[PATCH] D34751: [ARM] ldr pc,=expression should be allowed in Thumb2
Peter Smith via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 11 02:47:38 PDT 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL307640: [ARM] ldr pc,=expression should be allowed in Thumb2 (authored by psmith).
Changed prior to commit:
https://reviews.llvm.org/D34751?vs=104416&id=105983#toc
Repository:
rL LLVM
https://reviews.llvm.org/D34751
Files:
llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
llvm/trunk/test/MC/ARM/ldr-pseudo-unpredictable.s
Index: llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
===================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
+++ llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
@@ -4799,7 +4799,7 @@
// Pseudo instruction ldr Rt, =immediate
def t2LDRConstPool
: t2AsmPseudo<"ldr${p} $Rt, $immediate",
- (ins GPRnopc:$Rt, const_pool_asm_imm:$immediate, pred:$p)>;
+ (ins GPR:$Rt, const_pool_asm_imm:$immediate, pred:$p)>;
// Version w/ the .w suffix.
def : t2InstAlias<"ldr${p}.w $Rt, $immediate",
(t2LDRConstPool GPRnopc:$Rt,
Index: llvm/trunk/test/MC/ARM/ldr-pseudo-unpredictable.s
===================================================================
--- llvm/trunk/test/MC/ARM/ldr-pseudo-unpredictable.s
+++ llvm/trunk/test/MC/ARM/ldr-pseudo-unpredictable.s
@@ -1,21 +1,21 @@
@RUN: llvm-mc -triple armv5-unknown-linux-gnueabi %s | FileCheck --check-prefix=CHECK-ARM %s
- at RUN: not llvm-mc -triple thumbv7-unknown-linux-gnueabi %s 2>&1 | FileCheck --check-prefix=CHECK-SP %s
+ at RUN: llvm-mc -triple thumbv7-unknown-linux-gnueabi %s 2>&1 | FileCheck --check-prefix=CHECK-T2 %s
@RUN: not llvm-mc -triple thumbv5-unknown-linux-gnueabi %s 2>&1 | FileCheck --check-prefix=CHECK-NONE %s
@RUN: llvm-mc -triple armv5-base-apple-darwin %s | FileCheck --check-prefix=CHECK-DARWIN-ARM %s
- at RUN: not llvm-mc -triple thumbv7-base-apple-darwin %s 2>&1 | FileCheck --check-prefix=CHECK-DARWIN-SP %s
+ at RUN: llvm-mc -triple thumbv7-base-apple-darwin %s 2>&1 | FileCheck --check-prefix=CHECK-DARWIN-T2 %s
@RUN: not llvm-mc -triple thumbv5-base.apple.darwin %s 2>&1 | FileCheck --check-prefix=CHECK-NONE %s
@ We dont't do the transformation for rt = sp or pc
@ as it is unpredictable for many of the MOV encondings
ldr pc, = 0x4
@ CHECK-ARM: ldr pc, .Ltmp[[TMP0:[0-9]+]]
@ CHECK-DARWIN-ARM: ldr pc, Ltmp0
-@ CHECK-SP: error: instruction requires: arm-mode
-@ CHECK-DARWIN-SP: error: instruction requires: arm-mode
-@ CHECK-NONE: error: instruction requires: arm-mode
+@ CHECK-T2: ldr.w pc, .Ltmp[[TMP0:[0-9]+]]
+@ CHECK-DARWIN-T2: ldr.w pc, Ltmp0
+@ CHECK-NONE: error: instruction requires: thumb2
ldr sp, = 0x8
@ CHECK-ARM: ldr sp, .Ltmp[[TMP1:[0-9]+]]
@ CHECK-DARWIN-ARM: ldr sp, Ltmp1
-@ CHECK-SP: ldr.w sp, .Ltmp[[TMP0:[0-9]+]]
-@ CHECK-DARWIN-SP: ldr.w sp, Ltmp0
-@ CHECK-NONE: error: instruction requires: arm-mode
+@ CHECK-T2: ldr.w sp, .Ltmp[[TMP1:[0-9]+]]
+@ CHECK-DARWIN-T2: ldr.w sp, Ltmp1
+@ CHECK-NONE: error: instruction requires: thumb2
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