diff options
| author | Chris Lattner <sabre@nondot.org> | 2010-04-26 18:46:46 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-04-26 18:46:46 +0000 |
| commit | 567dd1f5d0ae454e7c51ef070bbb8d31a43ed4bc (patch) | |
| tree | a7bb33c12a3a053d69cee16c78634de8b83af19f /test/CodeGen/X86 | |
| parent | 6fa7636e614cbf0a19d374e169791a774281e8d3 (diff) | |
| download | external_llvm-567dd1f5d0ae454e7c51ef070bbb8d31a43ed4bc.zip external_llvm-567dd1f5d0ae454e7c51ef070bbb8d31a43ed4bc.tar.gz external_llvm-567dd1f5d0ae454e7c51ef070bbb8d31a43ed4bc.tar.bz2 | |
fix PR6921 a different way. Intead of increasing the
alignment of globals with a specified alignment, we fix
common variables to obey their alignment. Add a comment
explaining why this behavior is important.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102365 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/alignment.ll | 18 | ||||
| -rw-r--r-- | test/CodeGen/X86/unaligned-load.ll | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/alignment.ll b/test/CodeGen/X86/alignment.ll new file mode 100644 index 0000000..06a4f3f --- /dev/null +++ b/test/CodeGen/X86/alignment.ll @@ -0,0 +1,18 @@ +; RUN: llc %s -o - -mtriple=x86_64-linux-gnu | FileCheck %s + +; This cannot get rounded up to the preferred alignment (16) if they have an +; explicit alignment specified. +@GlobalA = global { [384 x i8] } zeroinitializer, align 8 + +; CHECK: .bss +; CHECK: .globl GlobalA +; CHECK: .align 8 +; CHECK: GlobalA: +; CHECK: .zero 384 + +; Common variables should not get rounded up to the preferred alignment (16) if +; they have an explicit alignment specified. +; PR6921 +@GlobalB = common global { [384 x i8] } zeroinitializer, align 8 + +; CHECK: .comm GlobalB,384,8
\ No newline at end of file diff --git a/test/CodeGen/X86/unaligned-load.ll b/test/CodeGen/X86/unaligned-load.ll index e210531..b26097f 100644 --- a/test/CodeGen/X86/unaligned-load.ll +++ b/test/CodeGen/X86/unaligned-load.ll @@ -28,6 +28,7 @@ return: declare void @llvm.memcpy.i64(i8* nocapture, i8* nocapture, i64, i32) nounwind +; CORE2: .section ; CORE2: .align 3 ; CORE2-NEXT: _.str1: ; CORE2-NEXT: .asciz "DHRYSTONE PROGRAM, SOME STRING" |