| ; RUN: opt < %s -loop-vectorize -enable-vplan-native-path -vplan-build-stress-test -vplan-verify-hcfg -debug-only=loop-vectorize -disable-output 2>&1 | FileCheck %s -check-prefix=VERIFIER |
| ; RUN: opt < %s -loop-vectorize -enable-vplan-native-path -vplan-build-stress-test -debug-only=loop-vectorize -disable-output 2>&1 | FileCheck %s -check-prefix=NO-VERIFIER -allow-empty |
| ; REQUIRES: asserts |
| |
| ; Verify that the stress testing flag for the VPlan H-CFG builder works as |
| ; expected with and without enabling the VPlan H-CFG Verifier. |
| |
| ; VERIFIER: Verifying VPlan H-CFG. |
| ; NO-VERIFIER-NOT: Verifying VPlan H-CFG. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @foo(i32* nocapture %a, i32* nocapture readonly %b, i32 %N, i32 %M) { |
| entry: |
| %cmp32 = icmp sgt i32 %N, 0 |
| br i1 %cmp32, label %outer.ph, label %for.end15 |
| |
| outer.ph: |
| %cmp230 = icmp sgt i32 %M, 0 |
| %0 = sext i32 %M to i64 |
| %wide.trip.count = zext i32 %M to i64 |
| %wide.trip.count38 = zext i32 %N to i64 |
| br label %outer.body |
| |
| outer.body: |
| %indvars.iv35 = phi i64 [ 0, %outer.ph ], [ %indvars.iv.next36, %outer.inc ] |
| br i1 %cmp230, label %inner.ph, label %outer.inc |
| |
| inner.ph: |
| %1 = mul nsw i64 %indvars.iv35, %0 |
| br label %inner.body |
| |
| inner.body: |
| %indvars.iv = phi i64 [ 0, %inner.ph ], [ %indvars.iv.next, %inner.body ] |
| %2 = add nsw i64 %indvars.iv, %1 |
| %arrayidx = getelementptr inbounds i32, i32* %b, i64 %2 |
| %3 = load i32, i32* %arrayidx, align 4 |
| %arrayidx12 = getelementptr inbounds i32, i32* %a, i64 %2 |
| store i32 %3, i32* %arrayidx12, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count |
| br i1 %exitcond, label %outer.inc, label %inner.body |
| |
| outer.inc: |
| %indvars.iv.next36 = add nuw nsw i64 %indvars.iv35, 1 |
| %exitcond39 = icmp eq i64 %indvars.iv.next36, %wide.trip.count38 |
| br i1 %exitcond39, label %for.end15, label %outer.body |
| |
| for.end15: |
| ret void |
| } |