1 ; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 -S | FileCheck %s 2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 3 target triple = "x86_64-unknown-linux-gnu" 4 5 ; Function Attrs: nounwind uwtable 6 define void @test1(float* noalias nocapture %a, float* noalias nocapture readonly %b) #0 { 7 entry: 8 br label %for.body 9 10 ; CHECK-LABEL: @test1 11 ; CHECK: vector.body: 12 ; CHECK: @llvm.assume 13 ; CHECK: @llvm.assume 14 ; CHECK: @llvm.assume 15 ; CHECK: @llvm.assume 16 ; CHECK: @llvm.assume 17 ; CHECK: @llvm.assume 18 ; CHECK: @llvm.assume 19 ; CHECK: @llvm.assume 20 ; CHECK: for.body: 21 ; CHECK: ret void 22 23 for.body: ; preds = %for.body, %entry 24 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 25 %arrayidx = getelementptr inbounds float, float* %b, i64 %indvars.iv 26 %0 = load float, float* %arrayidx, align 4 27 %cmp1 = fcmp ogt float %0, 1.000000e+02 28 tail call void @llvm.assume(i1 %cmp1) 29 %add = fadd float %0, 1.000000e+00 30 %arrayidx5 = getelementptr inbounds float, float* %a, i64 %indvars.iv 31 store float %add, float* %arrayidx5, align 4 32 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 33 %exitcond = icmp eq i64 %indvars.iv, 1599 34 br i1 %exitcond, label %for.end, label %for.body 35 36 for.end: ; preds = %for.body 37 ret void 38 } 39 40 ; Function Attrs: nounwind 41 declare void @llvm.assume(i1) #1 42 43 attributes #0 = { nounwind uwtable } 44 attributes #1 = { nounwind } 45 46 %struct.data = type { float*, float* } 47 48 ; Function Attrs: nounwind uwtable 49 define void @test2(%struct.data* nocapture readonly %d) #0 { 50 entry: 51 %b = getelementptr inbounds %struct.data, %struct.data* %d, i64 0, i32 1 52 %0 = load float*, float** %b, align 8 53 %ptrint = ptrtoint float* %0 to i64 54 %maskedptr = and i64 %ptrint, 31 55 %maskcond = icmp eq i64 %maskedptr, 0 56 %a = getelementptr inbounds %struct.data, %struct.data* %d, i64 0, i32 0 57 %1 = load float*, float** %a, align 8 58 %ptrint2 = ptrtoint float* %1 to i64 59 %maskedptr3 = and i64 %ptrint2, 31 60 %maskcond4 = icmp eq i64 %maskedptr3, 0 61 br label %for.body 62 63 ; CHECK-LABEL: @test2 64 ; CHECK: vector.body: 65 ; CHECK: @llvm.assume 66 ; CHECK: @llvm.assume 67 ; CHECK: @llvm.assume 68 ; CHECK: @llvm.assume 69 ; CHECK: @llvm.assume 70 ; CHECK: @llvm.assume 71 ; CHECK: @llvm.assume 72 ; CHECK: @llvm.assume 73 ; CHECK: @llvm.assume 74 ; CHECK: @llvm.assume 75 ; CHECK: @llvm.assume 76 ; CHECK: @llvm.assume 77 ; CHECK: @llvm.assume 78 ; CHECK: @llvm.assume 79 ; CHECK: @llvm.assume 80 ; CHECK: @llvm.assume 81 ; CHECK: for.body: 82 ; CHECK: ret void 83 84 for.body: ; preds = %for.body, %entry 85 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 86 tail call void @llvm.assume(i1 %maskcond) 87 %arrayidx = getelementptr inbounds float, float* %0, i64 %indvars.iv 88 %2 = load float, float* %arrayidx, align 4 89 %add = fadd float %2, 1.000000e+00 90 tail call void @llvm.assume(i1 %maskcond4) 91 %arrayidx5 = getelementptr inbounds float, float* %1, i64 %indvars.iv 92 store float %add, float* %arrayidx5, align 4 93 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 94 %exitcond = icmp eq i64 %indvars.iv, 1599 95 br i1 %exitcond, label %for.end, label %for.body 96 97 for.end: ; preds = %for.body 98 ret void 99 } 100 101
