diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2009-07-21 18:15:26 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-07-21 18:15:26 +0000 |
| commit | 58fec0cb1710d68258f2e4463ef4c2918708c3f5 (patch) | |
| tree | ee89c10f7e0183dbd4f7709f80beae6675143369 /test/CodeGen/Thumb2 | |
| parent | 71f286c68d892cd26eab145e9de034f3d5fa41d4 (diff) | |
| download | external_llvm-58fec0cb1710d68258f2e4463ef4c2918708c3f5.zip external_llvm-58fec0cb1710d68258f2e4463ef4c2918708c3f5.tar.gz external_llvm-58fec0cb1710d68258f2e4463ef4c2918708c3f5.tar.bz2 | |
Do not select tSXTB / tSXTH in thumb2 mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76600 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb2')
| -rw-r--r-- | test/CodeGen/Thumb2/2009-07-21-ISelBug.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/2009-07-21-ISelBug.ll b/test/CodeGen/Thumb2/2009-07-21-ISelBug.ll new file mode 100644 index 0000000..98979b5 --- /dev/null +++ b/test/CodeGen/Thumb2/2009-07-21-ISelBug.ll @@ -0,0 +1,34 @@ +; RUN: llvm-as < %s | llc -mtriple=thumbv7-apple-darwin9 -mattr=+vfp2,+thumb2 +; rdar://7076238 + +@"\01LC" = external constant [36 x i8], align 1 ; <[36 x i8]*> [#uses=1] + +define arm_apcscc i32 @getUnknown(i32, ...) nounwind { +entry: + %1 = load i8** undef, align 4 ; <i8*> [#uses=3] + %2 = getelementptr i8* %1, i32 4 ; <i8*> [#uses=1] + %3 = getelementptr i8* %1, i32 8 ; <i8*> [#uses=1] + %4 = bitcast i8* %2 to i32* ; <i32*> [#uses=1] + %5 = load i32* %4, align 4 ; <i32> [#uses=1] + %6 = trunc i32 %5 to i8 ; <i8> [#uses=1] + %7 = getelementptr i8* %1, i32 12 ; <i8*> [#uses=1] + %8 = bitcast i8* %3 to i32* ; <i32*> [#uses=1] + %9 = load i32* %8, align 4 ; <i32> [#uses=1] + %10 = trunc i32 %9 to i16 ; <i16> [#uses=1] + %11 = bitcast i8* %7 to i32* ; <i32*> [#uses=1] + %12 = load i32* %11, align 4 ; <i32> [#uses=1] + %13 = trunc i32 %12 to i16 ; <i16> [#uses=1] + %14 = load i32* undef, align 4 ; <i32> [#uses=2] + %15 = sext i8 %6 to i32 ; <i32> [#uses=2] + %16 = sext i16 %10 to i32 ; <i32> [#uses=2] + %17 = sext i16 %13 to i32 ; <i32> [#uses=2] + %18 = call arm_apcscc i32 (i8*, ...)* @printf(i8* getelementptr ([36 x i8]* @"\01LC", i32 0, i32 0), i32 -128, i32 0, i32 %15, i32 %16, i32 %17, i32 0, i32 %14) nounwind ; <i32> [#uses=0] + %19 = add i32 0, %15 ; <i32> [#uses=1] + %20 = add i32 %19, %16 ; <i32> [#uses=1] + %21 = add i32 %20, %14 ; <i32> [#uses=1] + %22 = add i32 %21, %17 ; <i32> [#uses=1] + %23 = add i32 %22, 0 ; <i32> [#uses=1] + ret i32 %23 +} + +declare arm_apcscc i32 @printf(i8* nocapture, ...) nounwind |