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Add PR1501 test case. 

llvm-svn: 47874
This commit is contained in:
Evan Cheng 2008-03-04 00:47:45 +00:00
parent b2ce263891
commit 62240d65fd
1 changed files with 30 additions and 0 deletions
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llvm/test/CodeGen/X86/coalescer-commute4.ll Normal file
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d; RUN: llvm-as < %s | llc -mtriple=i686-apple-darwin -mattr=+sse2 | not grep movaps
; PR1501
efine float @foo(i32* %x, float* %y, i32 %c) nounwind {
entry:
%tmp2132 = icmp eq i32 %c, 0 ; <i1> [#uses=2]
br i1 %tmp2132, label %bb23, label %bb.preheader
bb.preheader: ; preds = %entry
%umax = select i1 %tmp2132, i32 1, i32 %c ; <i32> [#uses=1]
br label %bb
bb: ; preds = %bb, %bb.preheader
%i.0.reg2mem.0 = phi i32 [ 0, %bb.preheader ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
%res.0.reg2mem.0 = phi float [ 0.000000e+00, %bb.preheader ], [ %tmp14, %bb ] ; <float> [#uses=1]
%tmp3 = getelementptr i32* %x, i32 %i.0.reg2mem.0 ; <i32*> [#uses=1]
%tmp4 = load i32* %tmp3, align 4 ; <i32> [#uses=1]
%tmp45 = sitofp i32 %tmp4 to float ; <float> [#uses=1]
%tmp8 = getelementptr float* %y, i32 %i.0.reg2mem.0 ; <float*> [#uses=1]
%tmp9 = load float* %tmp8, align 4 ; <float> [#uses=1]
%tmp11 = mul float %tmp9, %tmp45 ; <float> [#uses=1]
%tmp14 = add float %tmp11, %res.0.reg2mem.0 ; <float> [#uses=2]
%indvar.next = add i32 %i.0.reg2mem.0, 1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %indvar.next, %umax ; <i1> [#uses=1]
br i1 %exitcond, label %bb23, label %bb
bb23: ; preds = %bb, %entry
%res.0.reg2mem.1 = phi float [ 0.000000e+00, %entry ], [ %tmp14, %bb ] ; <float> [#uses=1]
ret float %res.0.reg2mem.1
}