; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -indvars -S < %s | FileCheck %s ; Check the case where one exit has a pointer EC, and the other doesn't. ; Note that this test case is really really fragile. Removing any ; instruction in the below causes the result to differ. Note that the lack ; of a data layout (with pointer size info) is critical to getting a pointer ; EC returned by SCEV. @global = external global [0 x i8], align 1 define void @foo() { ; CHECK-LABEL: @foo( ; CHECK-NEXT: bb: ; CHECK-NEXT: br label [[BB3:%.*]] ; CHECK: bb3: ; CHECK-NEXT: [[TMP6:%.*]] = load i8, i8* getelementptr inbounds ([0 x i8], [0 x i8]* @global, i64 0, i64 1), align 1 ; CHECK-NEXT: br i1 false, label [[BB7:%.*]], label [[BB11:%.*]] ; CHECK: bb7: ; CHECK-NEXT: [[TMP8:%.*]] = zext i8 [[TMP6]] to i64 ; CHECK-NEXT: br i1 true, label [[BB11]], label [[BB3]] ; CHECK: bb11: ; CHECK-NEXT: ret void ; bb: br label %bb3 bb3: ; preds = %bb7, %bb2 %tmp = phi i8* [ %tmp4, %bb7 ], [ getelementptr inbounds ([0 x i8], [0 x i8]* @global, i64 0, i64 2), %bb ] %tmp4 = getelementptr inbounds i8, i8* %tmp, i64 -1 %tmp6 = load i8, i8* %tmp4, align 1 %tmp5 = icmp ugt i8* %tmp4, getelementptr inbounds ([0 x i8], [0 x i8]* @global, i64 0, i64 500) br i1 %tmp5, label %bb7, label %bb11 bb7: ; preds = %bb3 %tmp8 = zext i8 %tmp6 to i64 %tmp10 = icmp eq i16 0, 0 br i1 %tmp10, label %bb11, label %bb3 bb11: ; preds = %bb7, %bb3 ret void }