| ; REQUIRES: asserts |
| ; RUN: opt -passes=gvn -debug-only=local -disable-output 2>&1 < %s | FileCheck %s |
| |
| define void @replaceDominatedUsesWith_debug(ptr nocapture writeonly %a, i32 %beam) { |
| ; CHECK: Replace dominated use of 'i64 %indvars.iv' with %0 = zext i32 %beam to i64 in %1 = shl nuw nsw i64 %indvars.iv, 1 |
| entry: |
| %0 = zext i32 %beam to i64 |
| br label %for.body |
| |
| for.cond.cleanup: ; preds = %for.inc |
| ret void |
| |
| for.body: ; preds = %entry, %for.inc |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ] |
| %cmp1 = icmp eq i64 %indvars.iv, %0 |
| br i1 %cmp1, label %if.then, label %if.else |
| |
| if.then: ; preds = %for.body |
| %1 = shl nuw nsw i64 %indvars.iv, 1 |
| %arrayidx = getelementptr inbounds i32, ptr %a, i64 %1 |
| store i32 0, ptr %arrayidx, align 4 |
| br label %for.inc |
| |
| if.else: ; preds = %for.body |
| %2 = shl nuw nsw i64 %indvars.iv, 1 |
| %arrayidx4 = getelementptr inbounds i32, ptr %a, i64 %2 |
| store i32 1, ptr %arrayidx4, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %if.then, %if.else |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond.not = icmp eq i64 %indvars.iv.next, 10000 |
| br i1 %exitcond.not, label %for.cond.cleanup, label %for.body |
| } |
