| ; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=operands-skip --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t |
| ; RUN: FileCheck --check-prefixes=CHECK %s < %t |
| |
| ; Make sure if we're replacing the value in a phi, it's replaced for |
| ; all repeats of the same incoming block. |
| |
| ; CHECK-INTERESTINGNESS: switch |
| ; CHECK-INTERESTINGNESS: phi |
| ; CHECK-INTERESTINGNESS-SAME: [ %gep1, %bb1 ] |
| |
| ; CHECK: %phi.ptr = phi ptr [ %arg1, %entry ], [ %arg1, %entry ], [ %gep1, %bb1 ] |
| define void @foo(i32 %arg0, ptr %arg1, ptr %arg2) { |
| entry: |
| %gep0 = getelementptr i32, ptr %arg1, i32 10 |
| %gep1 = getelementptr i32, ptr %arg2, i32 12 |
| switch i32 %arg0, label %ret [ |
| i32 3, label %bb1 |
| i32 4, label %bb2 |
| i32 12, label %bb2 |
| ] |
| |
| bb1: |
| br label %bb2 |
| |
| bb2: |
| %phi.ptr = phi ptr [ %gep0, %entry ], [ %gep0, %entry ], [ %gep1, %bb1 ] |
| store volatile i32 0, ptr %phi.ptr |
| br label %ret |
| |
| ret: |
| ret void |
| } |