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Add the testcase from PR 4668. This works at the

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moment, but it's a fragile area.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78358 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2009-08-07 00:04:42 +00:00
parent 6699fb2709
commit 4a20e518c7
1 changed files with 26 additions and 0 deletions
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26
test/CodeGen/X86/2009-08-06-inlineasm.ll Normal file
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; RUN: llvm-as < %s | llc
; PR4668
; ModuleID = '<stdin>'
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-f80:32:32"
target triple = "i386-pc-linux-gnu"
define i32 @x(i32 %qscale) nounwind {
entry:
%temp_block = alloca [64 x i16], align 16 ; <[64 x i16]*> [#uses=0]
%tmp = call i32 asm sideeffect "xor %edx, %edx", "={dx},~{dirflag},~{fpsr},~{flags}"() nounwind ; <i32> [#uses=1]
br i1 undef, label %if.end78, label %if.then28
if.then28: ; preds = %entry
br label %if.end78
if.end78: ; preds = %if.then28, %entry
%level.1 = phi i32 [ %tmp, %if.then28 ], [ 0, %entry ] ; <i32> [#uses=1]
%add.ptr1 = getelementptr [64 x i16]* null, i32 0, i32 %qscale ; <i16*> [#uses=1]
%add.ptr2 = getelementptr [64 x i16]* null, i32 1, i32 %qscale ; <i16*> [#uses=1]
%add.ptr3 = getelementptr [64 x i16]* null, i32 2, i32 %qscale ; <i16*> [#uses=1]
%add.ptr4 = getelementptr [64 x i16]* null, i32 3, i32 %qscale ; <i16*> [#uses=1]
%add.ptr5 = getelementptr [64 x i16]* null, i32 4, i32 %qscale ; <i16*> [#uses=1]
%add.ptr6 = getelementptr [64 x i16]* null, i32 5, i32 %qscale ; <i16*> [#uses=1]
%tmp1 = call i32 asm sideeffect "nop", "={ax},r,r,r,r,r,0,~{dirflag},~{fpsr},~{flags}"(i16* %add.ptr6, i16* %add.ptr5, i16* %add.ptr4, i16* %add.ptr3, i16* %add.ptr2, i16* %add.ptr1) nounwind ; <i32> [#uses=0]
ret i32 %level.1
}