forked from OSchip/llvm-project
48 lines
1.4 KiB
LLVM
48 lines
1.4 KiB
LLVM
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=basic-blocks --test FileCheck --test-arg --check-prefixes=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 produced due to leaving behind
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; invalid code in %bb8 after it becomes unreachable.
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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: bb:
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; CHECK-NEXT: store i32 0, ptr addrspace(3) null, align 4
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; CHECK: bb6: ; preds = %bb8, %bb
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; CHECK-NEXT: store i32 1, ptr addrspace(3) null, align 4
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; CHECK: bb8: ; preds = %bb6
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; CHECK-NEXT: %tmp = phi ptr addrspace(5) [ null, %bb6 ]
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define amdgpu_kernel void @foo(i32 %arg) {
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bb:
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store i32 0, ptr addrspace(3) null
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br label %bb6
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bb6: ; preds = %bb10, %bb9, %bb8, %bb
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store i32 1, ptr addrspace(3) null
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switch i32 0, label %bb7 [
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i32 0, label %bb8
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]
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bb7: ; preds = %bb6
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unreachable
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bb8: ; preds = %bb6
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%tmp = phi ptr addrspace(5) [ null, %bb6 ]
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store i32 2, ptr addrspace(5) %tmp
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switch i32 %arg, label %bb6 [
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i32 0, label %bb10
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i32 1, label %bb9
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]
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bb9: ; preds = %bb8
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br label %bb6
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bb10: ; preds = %bb8
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br label %bb6
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}
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