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Test from Dhrystone to make sure that we're not emitting an aligned load for a

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string that's aligned at 8-bytes instead of 16-bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89295 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2009-11-19 01:33:57 +00:00
parent fd96b13a94
commit 77bd09b650
1 changed files with 28 additions and 0 deletions
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28
test/CodeGen/X86/unaligned-load.ll Normal file
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; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=dynamic-no-pic | not grep {movaps\t_.str3}
; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=dynamic-no-pic | FileCheck %s
@.str1 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, SOME STRING\00", align 8
@.str3 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, 2'ND STRING\00", align 8
define void @func() nounwind ssp {
entry:
%String2Loc = alloca [31 x i8], align 1
br label %bb
bb:
%String2Loc9 = getelementptr inbounds [31 x i8]* %String2Loc, i64 0, i64 0
call void @llvm.memcpy.i64(i8* %String2Loc9, i8* getelementptr inbounds ([31 x i8]* @.str3, i64 0, i64 0), i64 31, i32 1)
; CHECK: movups _.str3
br label %bb
return:
ret void
}
declare void @llvm.memcpy.i64(i8* nocapture, i8* nocapture, i64, i32) nounwind
; CHECK: .align 3
; CHECK-NEXT: _.str1:
; CHECK-NEXT: .asciz "DHRYSTONE PROGRAM, SOME STRING"
; CHECK-NEXT: .align 3
; CHECK-NEXT: _.str3: