52 lines
1.4 KiB
LLVM
52 lines
1.4 KiB
LLVM
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=basic-blocks --test=FileCheck --test-arg=--check-prefix=CHECK-INTERESTINGNESS --test-arg=%s --test-arg=--input-file %s -o %t
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; RUN: FileCheck %s < %t
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; Make sure an invalid reduction isn't tried when deleting %bb5,
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; causing the or in %bb6 to use its own output value.
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; CHECK-INTERESTINGNESS: store i32 0
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; CHECK-INTERESTINGNESS: store i32 1
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; CHECK-INTERESTINGNESS: store i32 2
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; CHECK: store i32 0
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; CHECK-NEXT: br label %bb5
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; CHECK: bb5:
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; CHECK-NEXT: switch
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; CHECK: bb6:
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; CHECK-NEXT: %tmp = phi i32 [ %tmp7, %bb6 ]
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; CHECK-NEXT: store i32 1
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; CHECK-NEXT: %tmp7 = or i32 %tmp, 0
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; CHECK-NEXT: br label %bb6
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; CHECK-NOT: bb7
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; CHECK: bb8:
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; CHECK-NEXT: store i32 2,
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define amdgpu_kernel void @snork(i32 %arg, i1 %arg1) {
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bb:
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store i32 0, ptr addrspace(3) null
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br i1 %arg1, label %bb5, label %bb7
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bb5: ; preds = %bb5, %bb
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switch i32 %arg, label %bb5 [
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i32 0, label %bb8
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i32 1, label %bb6
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]
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bb6: ; preds = %bb6, %bb5
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%tmp = phi i32 [ %tmp7, %bb6 ], [ 0, %bb5 ]
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store i32 1, ptr addrspace(3) null
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%tmp7 = or i32 %tmp, 0
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br label %bb6
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bb7:
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store i32 3, ptr addrspace(3) null
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br label %bb8
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bb8: ; preds = %bb5
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store i32 2, ptr addrspace(3) null
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unreachable
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}
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