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test/Transforms/LoopVectorize/tbaa-nodep.ll
- This file was added.
| ; RUN: opt < %s -tbaa -basicaa -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -simplifycfg -S | FileCheck %s | |||||
| ; RUN: opt < %s -basicaa -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -simplifycfg -S | FileCheck %s --check-prefix=CHECK-NOTBAA | |||||
| 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 i32 @test1(i32* nocapture %a, float* nocapture readonly %b) #0 { | |||||
| entry: | |||||
| br label %for.body | |||||
| 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, !tbaa !0 | |||||
| %conv = fptosi float %0 to i32 | |||||
| %arrayidx2 = getelementptr inbounds i32* %a, i64 %indvars.iv | |||||
| store i32 %conv, i32* %arrayidx2, align 4, !tbaa !4 | |||||
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 | |||||
| %exitcond = icmp eq i64 %indvars.iv.next, 1600 | |||||
| br i1 %exitcond, label %for.end, label %for.body | |||||
| for.end: ; preds = %for.body | |||||
| ret i32 0 | |||||
| ; TBAA partitions the accesses in this loop, so it can be vectorized without | |||||
| ; runtime checks. | |||||
| ; CHECK-LABEL: @test1 | |||||
| ; CHECK: entry: | |||||
| ; CHECK-NEXT: br label %vector.body | |||||
| ; CHECK: vector.body: | |||||
| ; CHECK: load <4 x float>* %{{.*}}, align 4, !tbaa | |||||
| ; CHECK: store <4 x i32> %{{.*}}, <4 x i32>* %{{.*}}, align 4, !tbaa | |||||
| ; CHECK: ret i32 0 | |||||
| ; CHECK-NOTBAA-LABEL: @test1 | |||||
| ; CHECK-NOTBAA: icmp uge i32* | |||||
| ; CHECK-NOTBAA: load <4 x float>* %{{.*}}, align 4, !tbaa | |||||
| ; CHECK-NOTBAA: store <4 x i32> %{{.*}}, <4 x i32>* %{{.*}}, align 4, !tbaa | |||||
| ; CHECK-NOTBAA: ret i32 0 | |||||
| } | |||||
| ; Function Attrs: nounwind uwtable | |||||
| define i32 @test2(i32* nocapture readonly %a, float* nocapture readonly %b, float* nocapture %c) #0 { | |||||
| entry: | |||||
| br label %for.body | |||||
| 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, !tbaa !0 | |||||
| %arrayidx2 = getelementptr inbounds i32* %a, i64 %indvars.iv | |||||
| %1 = load i32* %arrayidx2, align 4, !tbaa !4 | |||||
| %conv = sitofp i32 %1 to float | |||||
| %mul = fmul float %0, %conv | |||||
| %arrayidx4 = getelementptr inbounds float* %c, i64 %indvars.iv | |||||
| store float %mul, float* %arrayidx4, align 4, !tbaa !0 | |||||
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 | |||||
| %exitcond = icmp eq i64 %indvars.iv.next, 1600 | |||||
| br i1 %exitcond, label %for.end, label %for.body | |||||
| for.end: ; preds = %for.body | |||||
| ret i32 0 | |||||
| ; This test is like the first, except here there is still one runtime check | |||||
| ; required. Without TBAA, however, two checks are required. | |||||
| ; CHECK-LABEL: @test2 | |||||
| ; CHECK: icmp uge float* | |||||
| ; CHECK: icmp uge float* | |||||
| ; CHECK-NOT: icmp uge i32* | |||||
| ; CHECK: load <4 x float>* %{{.*}}, align 4, !tbaa | |||||
| ; CHECK: store <4 x float> %{{.*}}, <4 x float>* %{{.*}}, align 4, !tbaa | |||||
| ; CHECK: ret i32 0 | |||||
| ; CHECK-NOTBAA-LABEL: @test2 | |||||
| ; CHECK-NOTBAA: icmp uge float* | |||||
| ; CHECK-NOTBAA: icmp uge float* | |||||
| ; CHECK-NOTBAA-DAG: icmp uge float* | |||||
| ; CHECK-NOTBAA-DAG: icmp uge i32* | |||||
| ; CHECK-NOTBAA: load <4 x float>* %{{.*}}, align 4, !tbaa | |||||
| ; CHECK-NOTBAA: store <4 x float> %{{.*}}, <4 x float>* %{{.*}}, align 4, !tbaa | |||||
| ; CHECK-NOTBAA: ret i32 0 | |||||
| } | |||||
| attributes #0 = { nounwind uwtable } | |||||
| !0 = metadata !{metadata !1, metadata !1, i64 0} | |||||
| !1 = metadata !{metadata !"float", metadata !2, i64 0} | |||||
| !2 = metadata !{metadata !"omnipotent char", metadata !3, i64 0} | |||||
| !3 = metadata !{metadata !"Simple C/C++ TBAA"} | |||||
| !4 = metadata !{metadata !5, metadata !5, i64 0} | |||||
| !5 = metadata !{metadata !"int", metadata !2, i64 0} | |||||