| ; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=operands-zero --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: [ %arg1, %bb1 ] |
| ; CHECK-INTERESTINGNESS: phi |
| ; CHECK-INTERESTINGNESS-SAME: [ %arg3, %bb1 ] |
| ; CHECK-INTERESTINGNESS: store volatile i32 % |
| ; CHECK-INTERESTINGNESS: store volatile float % |
| |
| ; CHECK: %phi.i32 = phi i32 [ 0, %entry ], [ 0, %entry ], [ %arg1, %bb1 ] |
| ; CHECK: %phi.f32 = phi float [ 0.000000e+00, %entry ], [ 0.000000e+00, %entry ], [ %arg3, %bb1 ] |
| define void @foo(i32 %arg0, i32 %arg1, float %arg2, float %arg3) { |
| entry: |
| switch i32 %arg0, label %ret [ |
| i32 3, label %bb1 |
| i32 4, label %bb2 |
| i32 12, label %bb2 |
| ] |
| |
| bb1: |
| br label %bb2 |
| |
| bb2: |
| %phi.i32 = phi i32 [ %arg0, %entry ], [ %arg0, %entry ], [ %arg1, %bb1 ] |
| %phi.f32 = phi float [ %arg2, %entry ], [ %arg2, %entry ], [ %arg3, %bb1 ] |
| store volatile i32 %phi.i32, ptr undef |
| store volatile float %phi.f32, ptr undef |
| br label %ret |
| |
| ret: |
| ret void |
| } |