1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -S -passes="print<assumptions>,gvn-sink,loop-unroll" -unroll-count=3 | FileCheck %s
4 ; This crashed because the cached assumption was replaced and the replacement
5 ; was then in the cache twice.
9 @g = external global i32
14 ; CHECK-NEXT: br label [[BB4_I:%.*]]
16 ; CHECK-NEXT: [[I1_I:%.*]] = load volatile i32, ptr @g, align 4
17 ; CHECK-NEXT: [[I32_I:%.*]] = icmp eq i32 [[I1_I]], 0
18 ; CHECK-NEXT: call void @llvm.assume(i1 [[I32_I]])
19 ; CHECK-NEXT: [[I1_I_1:%.*]] = load volatile i32, ptr @g, align 4
20 ; CHECK-NEXT: [[I32_I_1:%.*]] = icmp eq i32 [[I1_I_1]], 0
21 ; CHECK-NEXT: call void @llvm.assume(i1 [[I32_I_1]])
22 ; CHECK-NEXT: [[I1_I_2:%.*]] = load volatile i32, ptr @g, align 4
23 ; CHECK-NEXT: [[I32_I_2:%.*]] = icmp eq i32 [[I1_I_2]], 0
24 ; CHECK-NEXT: call void @llvm.assume(i1 [[I32_I_2]])
25 ; CHECK-NEXT: br label [[BB4_I]], !llvm.loop [[LOOP0:![0-9]+]]
27 ; CHECK-NEXT: unreachable
30 %i1.i = load volatile i32, ptr @g
31 %i32.i = icmp eq i32 %i1.i, 0
32 call void @llvm.assume(i1 %i32.i) #3
35 bb4.i: ; preds = %bb4.i, %bb
36 %i.i = load volatile i32, ptr @g
37 %i3.i = icmp eq i32 %i.i, 0
38 call void @llvm.assume(i1 %i3.i) #3
41 func_1.exit: ; No predecessors!
45 declare void @llvm.assume(i1)