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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/elf-lcomm-align.ll | |
| parent | 7df496d2ad1ecbc86d454a5cea2ae3e0928197ee (diff) | |
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/elf-lcomm-align.ll')
| -rw-r--r-- | test/CodeGen/ARM/elf-lcomm-align.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/elf-lcomm-align.ll b/test/CodeGen/ARM/elf-lcomm-align.ll new file mode 100644 index 00000000000..46792990e59 --- /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)) +} |