1; 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 2; RUN: FileCheck --check-prefixes=CHECK %s < %t 3 4; Make sure if we're replacing the value in a phi, it's replaced for 5; all repeats of the same incoming block. 6 7; CHECK-INTERESTINGNESS: switch 8; CHECK-INTERESTINGNESS: phi 9; CHECK-INTERESTINGNESS-SAME: [ %arg1, %bb1 ] 10; CHECK-INTERESTINGNESS: phi 11; CHECK-INTERESTINGNESS-SAME: [ %arg3, %bb1 ] 12; CHECK-INTERESTINGNESS: store volatile i32 % 13; CHECK-INTERESTINGNESS: store volatile float % 14 15; CHECK: %phi.i32 = phi i32 [ 0, %entry ], [ 0, %entry ], [ %arg1, %bb1 ] 16; CHECK: %phi.f32 = phi float [ 0.000000e+00, %entry ], [ 0.000000e+00, %entry ], [ %arg3, %bb1 ] 17define void @foo(i32 %arg0, i32 %arg1, float %arg2, float %arg3) { 18entry: 19 switch i32 %arg0, label %ret [ 20 i32 3, label %bb1 21 i32 4, label %bb2 22 i32 12, label %bb2 23 ] 24 25bb1: 26 br label %bb2 27 28bb2: 29 %phi.i32 = phi i32 [ %arg0, %entry ], [ %arg0, %entry ], [ %arg1, %bb1 ] 30 %phi.f32 = phi float [ %arg2, %entry ], [ %arg2, %entry ], [ %arg3, %bb1 ] 31 store volatile i32 %phi.i32, ptr undef 32 store volatile float %phi.f32, ptr undef 33 br label %ret 34 35ret: 36 ret void 37} 38