; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 -S | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; Function Attrs: nounwind uwtable define void @test1(float* noalias nocapture %a, float* noalias nocapture readonly %b) #0 { entry: br label %for.body ; CHECK-LABEL: @test1 ; CHECK: vector.body: ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: for.body: ; CHECK: ret void for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %arrayidx = getelementptr inbounds float* %b, i64 %indvars.iv %0 = load float* %arrayidx, align 4 %cmp1 = fcmp ogt float %0, 1.000000e+02 tail call void @llvm.assume(i1 %cmp1) %add = fadd float %0, 1.000000e+00 %arrayidx5 = getelementptr inbounds float* %a, i64 %indvars.iv store float %add, float* %arrayidx5, align 4 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv, 1599 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body ret void } ; Function Attrs: nounwind declare void @llvm.assume(i1) #1 attributes #0 = { nounwind uwtable } attributes #1 = { nounwind } %struct.data = type { float*, float* } ; Function Attrs: nounwind uwtable define void @test2(%struct.data* nocapture readonly %d) #0 { entry: %b = getelementptr inbounds %struct.data* %d, i64 0, i32 1 %0 = load float** %b, align 8 %ptrint = ptrtoint float* %0 to i64 %maskedptr = and i64 %ptrint, 31 %maskcond = icmp eq i64 %maskedptr, 0 %a = getelementptr inbounds %struct.data* %d, i64 0, i32 0 %1 = load float** %a, align 8 %ptrint2 = ptrtoint float* %1 to i64 %maskedptr3 = and i64 %ptrint2, 31 %maskcond4 = icmp eq i64 %maskedptr3, 0 br label %for.body ; CHECK-LABEL: @test2 ; CHECK: vector.body: ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: @llvm.assume ; CHECK: for.body: ; CHECK: ret void for.body: ; preds = %for.body, %entry %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] tail call void @llvm.assume(i1 %maskcond) %arrayidx = getelementptr inbounds float* %0, i64 %indvars.iv %2 = load float* %arrayidx, align 4 %add = fadd float %2, 1.000000e+00 tail call void @llvm.assume(i1 %maskcond4) %arrayidx5 = getelementptr inbounds float* %1, i64 %indvars.iv store float %add, float* %arrayidx5, align 4 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %exitcond = icmp eq i64 %indvars.iv, 1599 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body ret void }