38 lines
1.2 KiB
LLVM
38 lines
1.2 KiB
LLVM
; 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
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; RUN: FileCheck --check-prefixes=CHECK %s < %t
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; Make sure if we're replacing the value in a phi, it's replaced for
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; all repeats of the same incoming block.
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; CHECK-INTERESTINGNESS: switch
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; CHECK-INTERESTINGNESS: phi
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; CHECK-INTERESTINGNESS-SAME: [ %arg1, %bb1 ]
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; CHECK-INTERESTINGNESS: phi
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; CHECK-INTERESTINGNESS-SAME: [ %arg3, %bb1 ]
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; CHECK-INTERESTINGNESS: store volatile i32 %
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; CHECK-INTERESTINGNESS: store volatile float %
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; CHECK: %phi.i32 = phi i32 [ 0, %entry ], [ 0, %entry ], [ %arg1, %bb1 ]
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; CHECK: %phi.f32 = phi float [ 0.000000e+00, %entry ], [ 0.000000e+00, %entry ], [ %arg3, %bb1 ]
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define void @foo(i32 %arg0, i32 %arg1, float %arg2, float %arg3) {
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entry:
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switch i32 %arg0, label %ret [
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i32 3, label %bb1
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i32 4, label %bb2
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i32 12, label %bb2
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]
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bb1:
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br label %bb2
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bb2:
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%phi.i32 = phi i32 [ %arg0, %entry ], [ %arg0, %entry ], [ %arg1, %bb1 ]
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%phi.f32 = phi float [ %arg2, %entry ], [ %arg2, %entry ], [ %arg3, %bb1 ]
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store volatile i32 %phi.i32, ptr undef
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store volatile float %phi.f32, ptr undef
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br label %ret
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ret:
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ret void
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}
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