[llvm-commits] [llvm] r89295 - /llvm/trunk/test/CodeGen/X86/unaligned-load.ll

Chris Lattner clattner at apple.com
Tue Dec 1 13:52:25 PST 2009


On Nov 18, 2009, at 5:33 PM, Bill Wendling wrote:

> Author: void
> Date: Wed Nov 18 19:33:57 2009
> New Revision: 89295
>
> URL: http://llvm.org/viewvc/llvm-project?rev=89295&view=rev
> Log:
> Test from Dhrystone to make sure that we're not emitting an aligned  
> load for a
> string that's aligned at 8-bytes instead of 16-bytes.

Why do you need the 'not grep'?  Isn't the check for movups enough?

-Chris

>
> Added:
>    llvm/trunk/test/CodeGen/X86/unaligned-load.ll
>
> Added: llvm/trunk/test/CodeGen/X86/unaligned-load.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/unaligned-load.ll?rev=89295&view=auto
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/trunk/test/CodeGen/X86/unaligned-load.ll (added)
> +++ llvm/trunk/test/CodeGen/X86/unaligned-load.ll Wed Nov 18  
> 19:33:57 2009
> @@ -0,0 +1,28 @@
> +; 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
> +
> + at .str1 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, SOME  
> STRING\00", align 8
> + at .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:
>
>
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