1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -indvars -S < %s | FileCheck %s
4 ; Check the case where one exit has a pointer EC, and the other doesn't.
5 ; Note that this test case is really really fragile. Removing any
6 ; instruction in the below causes the result to differ. Note that the lack
7 ; of a data layout (with pointer size info) is critical to getting a pointer
10 @global = external global [0 x i8], align 1
15 ; CHECK-NEXT: br label [[BB3:%.*]]
17 ; CHECK-NEXT: [[TMP:%.*]] = phi i8* [ [[TMP4:%.*]], [[BB7:%.*]] ], [ getelementptr inbounds ([0 x i8], [0 x i8]* @global, i64 0, i64 2), [[BB:%.*]] ]
18 ; CHECK-NEXT: [[TMP4]] = getelementptr inbounds i8, i8* [[TMP]], i64 -1
19 ; CHECK-NEXT: [[TMP6:%.*]] = load i8, i8* [[TMP4]], align 1
20 ; CHECK-NEXT: [[TMP5:%.*]] = icmp ugt i8* [[TMP4]], getelementptr inbounds ([0 x i8], [0 x i8]* @global, i64 0, i64 500)
21 ; CHECK-NEXT: br i1 [[TMP5]], label [[BB7]], label [[BB11:%.*]]
23 ; CHECK-NEXT: [[TMP8:%.*]] = zext i8 [[TMP6]] to i64
24 ; CHECK-NEXT: br i1 true, label [[BB11]], label [[BB3]]
26 ; CHECK-NEXT: ret void
31 bb3: ; preds = %bb7, %bb2
32 %tmp = phi i8* [ %tmp4, %bb7 ], [ getelementptr inbounds ([0 x i8], [0 x i8]* @global, i64 0, i64 2), %bb ]
33 %tmp4 = getelementptr inbounds i8, i8* %tmp, i64 -1
34 %tmp6 = load i8, i8* %tmp4, align 1
35 %tmp5 = icmp ugt i8* %tmp4, getelementptr inbounds ([0 x i8], [0 x i8]* @global, i64 0, i64 500)
36 br i1 %tmp5, label %bb7, label %bb11
39 %tmp8 = zext i8 %tmp6 to i64
40 %tmp10 = icmp eq i16 0, 0
41 br i1 %tmp10, label %bb11, label %bb3
43 bb11: ; preds = %bb7, %bb3