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| author | Eric Christopher <echristo@apple.com> | 2010-08-05 23:57:43 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2010-08-05 23:57:43 +0000 |
| commit | e74a088d92e6010a1413a88865c85bb47a76f90c (patch) | |
| tree | 8cd419470632e8081a602ab0cbcd063af3b374ec /test/CodeGen/X86/force-align-stack.ll | |
| parent | f67202c94d4eb2fab788196cab1ad138ea8e32cd (diff) | |
| download | llvm-e74a088d92e6010a1413a88865c85bb47a76f90c.tar.gz llvm-e74a088d92e6010a1413a88865c85bb47a76f90c.tar.bz2 llvm-e74a088d92e6010a1413a88865c85bb47a76f90c.tar.xz | |
Add an option to always emit realignment code for a particular module.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110404 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/force-align-stack.ll')
| -rw-r--r-- | test/CodeGen/X86/force-align-stack.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/X86/force-align-stack.ll b/test/CodeGen/X86/force-align-stack.ll new file mode 100644 index 0000000000..ffcbf8a908 --- /dev/null +++ b/test/CodeGen/X86/force-align-stack.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -relocation-model=static -force-align-stack | FileCheck %s +; Tests to make sure that we always align the stack out to the minimum needed - +; in this case 16-bytes. +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32" +target triple = "i386-apple-darwin10.3" + +define void @a() nounwind ssp { +entry: +; CHECK: _a: +; CHECK: andl $-16, %esp + %z = alloca <16 x i8> ; <<16 x i8>*> [#uses=2] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + store <16 x i8> zeroinitializer, <16 x i8>* %z, align 16 + call void @b(<16 x i8>* %z) nounwind + br label %return + +return: ; preds = %entry + ret void +} + +declare void @b(<16 x i8>*) |