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Default stack alignment for 32bit x86 should be 4 Bytes, not 8 Bytes.

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Add a test that checks the stack alignment of a simple function for
Darwin, Linux and NetBSD for 32bit and 64bit mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147888 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joerg Sonnenberger
2012-01-10 22:43:53 +00:00
parent 19d0bf3a92
commit 216f63702f
2 changed files with 26 additions and 1 deletions
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25
test/CodeGen/X86/stack-align2.ll Normal file
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@@ -0,0 +1,25 @@
; RUN: llc < %s -mtriple=i386-linux | FileCheck %s -check-prefix=LINUX-I386
; RUN: llc < %s -mtriple=i386-netbsd | FileCheck %s -check-prefix=NETBSD-I386
; RUN: llc < %s -mtriple=i686-apple-darwin8 | FileCheck %s -check-prefix=DARWIN-I386
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=LINUX-X86_64
; RUN: llc < %s -mtriple=x86_64-netbsd | FileCheck %s -check-prefix=NETBSD-X86_64
; RUN: llc < %s -mtriple=x86_64-apple-darwin8 | FileCheck %s -check-prefix=DARWIN-X86_64
define i32 @test() nounwind {
entry:
call void @test2()
ret i32 0
; LINUX-I386: subl $12, %esp
; DARWIN-I386: subl $12, %esp
; NETBSD-I386-NOT: subl {{.*}}, %esp
; LINUX-X86_64: pushq %{{.*}}
; LINUX-X86_64-NOT: subq {{.*}}, %rsp
; DARWIN-X86_64: pushq %{{.*}}
; DARWIN-X86_64-NOT: subq {{.*}}, %rsp
; NETBSD-X86_64: pushq %{{.*}}
; NETBSD-X86_64-NOT: subq {{.*}}, %rsp
}
declare void @test2()