1; REQUIRES: asserts 2; RUN: opt -passes=gvn -debug-only=local -disable-output 2>&1 < %s | FileCheck %s 3 4define void @replaceDominatedUsesWith_debug(ptr nocapture writeonly %a, i32 %beam) { 5; CHECK: Replace dominated use of 'i64 %indvars.iv' with %0 = zext i32 %beam to i64 in %1 = shl nuw nsw i64 %indvars.iv, 1 6entry: 7 %0 = zext i32 %beam to i64 8 br label %for.body 9 10for.cond.cleanup: ; preds = %for.inc 11 ret void 12 13for.body: ; preds = %entry, %for.inc 14 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ] 15 %cmp1 = icmp eq i64 %indvars.iv, %0 16 br i1 %cmp1, label %if.then, label %if.else 17 18if.then: ; preds = %for.body 19 %1 = shl nuw nsw i64 %indvars.iv, 1 20 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %1 21 store i32 0, ptr %arrayidx, align 4 22 br label %for.inc 23 24if.else: ; preds = %for.body 25 %2 = shl nuw nsw i64 %indvars.iv, 1 26 %arrayidx4 = getelementptr inbounds i32, ptr %a, i64 %2 27 store i32 1, ptr %arrayidx4, align 4 28 br label %for.inc 29 30for.inc: ; preds = %if.then, %if.else 31 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 32 %exitcond.not = icmp eq i64 %indvars.iv.next, 10000 33 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body 34} 35