Home | History | Annotate | Download | only in PowerPC
      1 ; RUN: llc -O2 -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown < %s | FileCheck %s
      2 
      3 ; Function Attrs: norecurse nounwind
      4 define void @test1(float* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* nocapture readnone %c, i32 signext %n) #0 {
      5 
      6 ; CHECK-LABEL: test1
      7 
      8 entry:
      9   %idxprom = sext i32 %n to i64
     10   %arrayidx = getelementptr inbounds i32, i32* %b, i64 %idxprom
     11   %0 = load i32, i32* %arrayidx, align 4, !tbaa !1
     12   %conv = sitofp i32 %0 to float
     13   %mul = fmul float %conv, 0x4002916880000000
     14   %arrayidx2 = getelementptr inbounds float, float* %a, i64 %idxprom
     15   store float %mul, float* %arrayidx2, align 4, !tbaa !5
     16   ret void
     17 
     18 ; CHECK-NOT: mtvsrwa
     19 ; CHECK-NOT: mtfprwa
     20 ; CHECK: lxsiwax [[REG:[0-9]+]], {{.*}}
     21 ; CHECK-NOT: mtvsrwa
     22 ; CHECK-NOT: mtfprwa
     23 ; CHECK: xscvsxdsp {{.*}}, [[REG]]
     24 ; CHECK-NOT: mtvsrwa
     25 ; CHECK-NOT: mtfprwa
     26 ; CHECK: blr
     27 
     28 }
     29 
     30 ; Function Attrs: norecurse nounwind readonly
     31 define float @test2(i32* nocapture readonly %b) #0 {
     32 
     33 ; CHECK-LABEL: test2
     34 
     35 entry:
     36   %0 = load i32, i32* %b, align 4, !tbaa !1
     37   %conv = sitofp i32 %0 to float
     38   %mul = fmul float %conv, 0x40030A3D80000000
     39   ret float %mul
     40 
     41 ; CHECK-NOT: mtvsrwa
     42 ; CHECK-NOT: mtfprwa
     43 ; CHECK: lxsiwax [[REG:[0-9]+]], {{.*}}
     44 ; CHECK-NOT: mtvsrwa
     45 ; CHECK-NOT: mtfprwa
     46 ; CHECK: xscvsxdsp {{.*}}, [[REG]]
     47 ; CHECK-NOT: mtvsrwa
     48 ; CHECK-NOT: mtfprwa
     49 ; CHECK: blr
     50 
     51 }
     52 
     53 ; Function Attrs: norecurse nounwind
     54 define void @test3(float* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* noalias nocapture %c, i32 signext %n) #0 {
     55 
     56 ; CHECK-LABEL: test3
     57 
     58 entry:
     59   %idxprom = sext i32 %n to i64
     60   %arrayidx = getelementptr inbounds i32, i32* %b, i64 %idxprom
     61   %0 = load i32, i32* %arrayidx, align 4, !tbaa !1
     62   %conv = sitofp i32 %0 to float
     63   %mul = fmul float %conv, 0x4002916880000000
     64   %arrayidx2 = getelementptr inbounds float, float* %a, i64 %idxprom
     65   store float %mul, float* %arrayidx2, align 4, !tbaa !5
     66   %arrayidx6 = getelementptr inbounds i32, i32* %c, i64 %idxprom
     67   %1 = load i32, i32* %arrayidx6, align 4, !tbaa !1
     68   %add = add nsw i32 %1, %0
     69   store i32 %add, i32* %arrayidx6, align 4, !tbaa !1
     70   ret void
     71 
     72 ; CHECK: mtvsrwa
     73 ; CHECK: blr
     74 
     75 }
     76 
     77 !0 = !{!"clang version 3.9.0 (http://llvm.org/git/clang.git b88a395e7ba26c0fb96cd99a2a004d76f4f41d0c) (http://llvm.org/git/llvm.git 1ac3fbac0f5b037c17c0b0f9d271c32c4d7ca1b5)"}
     78 !1 = !{!2, !2, i64 0}
     79 !2 = !{!"int", !3, i64 0}
     80 !3 = !{!"omnipotent char", !4, i64 0}
     81 !4 = !{!"Simple C++ TBAA"}
     82 !5 = !{!6, !6, i64 0}
     83 !6 = !{!"float", !3, i64 0}
     84