50 lines
2.1 KiB
LLVM
50 lines
2.1 KiB
LLVM
; RUN: llc < %s -march=x86 -mattr=+sse4.2 | FileCheck %s
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; CHECK: mulps
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; CHECK: addps
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; widen a v3f32 to vfi32 to do a vector multiple and an add
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define void @update(<3 x float>* %dst, <3 x float>* %src, i32 %n) nounwind {
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entry:
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%dst.addr = alloca <3 x float>* ; <<3 x float>**> [#uses=2]
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%src.addr = alloca <3 x float>* ; <<3 x float>**> [#uses=2]
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%n.addr = alloca i32 ; <i32*> [#uses=2]
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%v = alloca <3 x float>, align 16 ; <<3 x float>*> [#uses=2]
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%i = alloca i32, align 4 ; <i32*> [#uses=6]
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store <3 x float>* %dst, <3 x float>** %dst.addr
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store <3 x float>* %src, <3 x float>** %src.addr
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store i32 %n, i32* %n.addr
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store <3 x float> < float 1.000000e+00, float 2.000000e+00, float 3.000000e+00 >, <3 x float>* %v
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store i32 0, i32* %i
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br label %forcond
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forcond: ; preds = %forinc, %entry
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%tmp = load i32, i32* %i ; <i32> [#uses=1]
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%tmp1 = load i32, i32* %n.addr ; <i32> [#uses=1]
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%cmp = icmp slt i32 %tmp, %tmp1 ; <i1> [#uses=1]
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br i1 %cmp, label %forbody, label %afterfor
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forbody: ; preds = %forcond
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%tmp2 = load i32, i32* %i ; <i32> [#uses=1]
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%tmp3 = load <3 x float>*, <3 x float>** %dst.addr ; <<3 x float>*> [#uses=1]
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%arrayidx = getelementptr <3 x float>, <3 x float>* %tmp3, i32 %tmp2 ; <<3 x float>*> [#uses=1]
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%tmp4 = load i32, i32* %i ; <i32> [#uses=1]
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%tmp5 = load <3 x float>*, <3 x float>** %src.addr ; <<3 x float>*> [#uses=1]
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%arrayidx6 = getelementptr <3 x float>, <3 x float>* %tmp5, i32 %tmp4 ; <<3 x float>*> [#uses=1]
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%tmp7 = load <3 x float>, <3 x float>* %arrayidx6 ; <<3 x float>> [#uses=1]
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%tmp8 = load <3 x float>, <3 x float>* %v ; <<3 x float>> [#uses=1]
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%mul = fmul <3 x float> %tmp7, %tmp8 ; <<3 x float>> [#uses=1]
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%add = fadd <3 x float> %mul, < float 0x409EE02900000000, float 0x409EE02900000000, float 0x409EE02900000000 > ; <<3 x float>> [#uses=1]
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store <3 x float> %add, <3 x float>* %arrayidx
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br label %forinc
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forinc: ; preds = %forbody
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%tmp9 = load i32, i32* %i ; <i32> [#uses=1]
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%inc = add i32 %tmp9, 1 ; <i32> [#uses=1]
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store i32 %inc, i32* %i
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br label %forcond
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afterfor: ; preds = %forcond
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ret void
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}
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