| ; RUN: opt < %s -S -passes="print<assumptions>,gvn-sink,loop-unroll" -unroll-count=3 | FileCheck %s |
| ; |
| ; This crashed because the cached assumption was replaced and the replacement |
| ; was then in the cache twice. |
| ; |
| ; PR49043 |
| |
| @g = external global i32 |
| |
| define void @main() { |
| bb: |
| %i1.i = load volatile i32, i32* @g |
| %i32.i = icmp eq i32 %i1.i, 0 |
| call void @llvm.assume(i1 %i32.i) #3 |
| br label %bb4.i |
| |
| bb4.i: ; preds = %bb4.i, %bb |
| %i.i = load volatile i32, i32* @g |
| %i3.i = icmp eq i32 %i.i, 0 |
| call void @llvm.assume(i1 %i3.i) #3 |
| br label %bb4.i |
| |
| func_1.exit: ; No predecessors! |
| unreachable |
| } |
| |
| declare void @llvm.assume(i1) |
| |
| ; CHECK: call void @llvm.assume( |
| ; CHECK: call void @llvm.assume( |
| ; CHECK: call void @llvm.assume( |
| |
