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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-09-01 23:04:27 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-09-01 23:04:27 +0000 |
| commit | 36a16015ac108e2f0dd2d6d96a6d364bc74c50d7 (patch) | |
| tree | 32f8e302aea0fbe6b07b367e256e4f2e01bc19a4 /test/CodeGen/ARM | |
| parent | 7df496d2ad1ecbc86d454a5cea2ae3e0928197ee (diff) | |
| download | external_llvm-36a16015ac108e2f0dd2d6d96a6d364bc74c50d7.zip external_llvm-36a16015ac108e2f0dd2d6d96a6d364bc74c50d7.tar.gz external_llvm-36a16015ac108e2f0dd2d6d96a6d364bc74c50d7.tar.bz2 | |
Don't drop alignment info on local common symbols.
- On COFF the .lcomm directive has an alignment argument.
- On ELF we fall back to .local + .comm
Based on a patch by NAKAMURA Takumi.
Fixes PR9337, PR9483 and PR10128.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138976 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM')
| -rw-r--r-- | test/CodeGen/ARM/2010-12-15-elf-lcomm.ll | 11 | ||||
| -rw-r--r-- | test/CodeGen/ARM/elf-lcomm-align.ll | 14 |
2 files changed, 20 insertions, 5 deletions
diff --git a/test/CodeGen/ARM/2010-12-15-elf-lcomm.ll b/test/CodeGen/ARM/2010-12-15-elf-lcomm.ll index a4bab85..5cfbb4f 100644 --- a/test/CodeGen/ARM/2010-12-15-elf-lcomm.ll +++ b/test/CodeGen/ARM/2010-12-15-elf-lcomm.ll @@ -5,7 +5,7 @@ @dummy = internal global i32 666 -@array00 = internal global [20 x i32] zeroinitializer +@array00 = internal global [80 x i8] zeroinitializer, align 1 @sum = internal global i32 55 @STRIDE = internal global i32 8 @@ -28,8 +28,9 @@ define i32 @main(i32 %argc) nounwind { %1 = load i32* @sum, align 4 - %2 = getelementptr [20 x i32]* @array00, i32 0, i32 %argc - %3 = load i32* %2, align 4 - %4 = add i32 %1, %3 - ret i32 %4; + %2 = getelementptr [80 x i8]* @array00, i32 0, i32 %argc + %3 = load i8* %2 + %4 = zext i8 %3 to i32 + %5 = add i32 %1, %4 + ret i32 %5 } diff --git a/test/CodeGen/ARM/elf-lcomm-align.ll b/test/CodeGen/ARM/elf-lcomm-align.ll new file mode 100644 index 0000000..4679299 --- /dev/null +++ b/test/CodeGen/ARM/elf-lcomm-align.ll @@ -0,0 +1,14 @@ +; RUN: llc < %s -mtriple=arm-linux-gnueabi -O0 | FileCheck %s +; run with -O0 to avoid arm global merging. + +@c = internal global i8 0, align 1 +@x = internal global i32 0, align 4 + +; CHECK: .lcomm c,1 +; .lcomm doesn't support alignment. +; CHECK: .local x +; CHECK-NEXT: .comm x,4,4 + +define i32 @foo() nounwind { + ret i32 sub (i32 ptrtoint (i8* @c to i32), i32 ptrtoint (i32* @x to i32)) +} |