2016-08-04 02:17:35 +08:00
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; RUN: llc -verify-machineinstrs -O2 -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown < %s | FileCheck %s
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2016-04-07 04:12:29 +08:00
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; Function Attrs: norecurse nounwind
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define void @test1(float* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* nocapture readnone %c, i32 signext %n) #0 {
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; CHECK-LABEL: test1
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entry:
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds i32, i32* %b, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4, !tbaa !1
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%conv = sitofp i32 %0 to float
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%mul = fmul float %conv, 0x4002916880000000
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%arrayidx2 = getelementptr inbounds float, float* %a, i64 %idxprom
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store float %mul, float* %arrayidx2, align 4, !tbaa !5
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ret void
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; CHECK-NOT: mtvsrwa
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; CHECK-NOT: mtfprwa
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; CHECK: lxsiwax [[REG:[0-9]+]], {{.*}}
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; CHECK-NOT: mtvsrwa
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; CHECK-NOT: mtfprwa
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; CHECK: xscvsxdsp {{.*}}, [[REG]]
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; CHECK-NOT: mtvsrwa
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; CHECK-NOT: mtfprwa
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; CHECK: blr
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}
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; Function Attrs: norecurse nounwind readonly
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define float @test2(i32* nocapture readonly %b) #0 {
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; CHECK-LABEL: test2
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entry:
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%0 = load i32, i32* %b, align 4, !tbaa !1
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%conv = sitofp i32 %0 to float
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%mul = fmul float %conv, 0x40030A3D80000000
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ret float %mul
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; CHECK-NOT: mtvsrwa
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; CHECK-NOT: mtfprwa
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; CHECK: lxsiwax [[REG:[0-9]+]], {{.*}}
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; CHECK-NOT: mtvsrwa
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; CHECK-NOT: mtfprwa
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; CHECK: xscvsxdsp {{.*}}, [[REG]]
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; CHECK-NOT: mtvsrwa
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; CHECK-NOT: mtfprwa
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; CHECK: blr
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}
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; Function Attrs: norecurse nounwind
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define void @test3(float* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* noalias nocapture %c, i32 signext %n) #0 {
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; CHECK-LABEL: test3
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entry:
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds i32, i32* %b, i64 %idxprom
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%0 = load i32, i32* %arrayidx, align 4, !tbaa !1
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%conv = sitofp i32 %0 to float
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%mul = fmul float %conv, 0x4002916880000000
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%arrayidx2 = getelementptr inbounds float, float* %a, i64 %idxprom
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store float %mul, float* %arrayidx2, align 4, !tbaa !5
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%arrayidx6 = getelementptr inbounds i32, i32* %c, i64 %idxprom
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%1 = load i32, i32* %arrayidx6, align 4, !tbaa !1
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%add = add nsw i32 %1, %0
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store i32 %add, i32* %arrayidx6, align 4, !tbaa !1
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ret void
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; CHECK: mtvsrwa
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; CHECK: blr
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}
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!0 = !{!"clang version 3.9.0 (http://llvm.org/git/clang.git b88a395e7ba26c0fb96cd99a2a004d76f4f41d0c) (http://llvm.org/git/llvm.git 1ac3fbac0f5b037c17c0b0f9d271c32c4d7ca1b5)"}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C++ TBAA"}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"float", !3, i64 0}
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