62 lines
1.9 KiB
LLVM
62 lines
1.9 KiB
LLVM
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=unreachable-basic-blocks,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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; CHECK-INTERESTINGNESS: @func(
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; CHECK-INTERESTINGNESS: store
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; CHECK-INTERESTINGNESS: store
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; CHECK-INTERESTINGNESS: store
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; CHECK: bb:
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; CHECK-NEXT: br i1 %arg1, label %bb3, label %bb7
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; CHECK: bb3: ; preds = %bb
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; CHECK-NEXT: br i1 %arg2, label %bb4, label %bb7
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; CHECK: bb4: ; preds = %bb3
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; CHECK-NEXT: store i32 0, ptr addrspace(1) null, align 4
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; CHECK-NEXT: ret void
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; CHECK: bb7: ; preds = %bb3, %bb
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; CHECK-NEXT: %i = phi i1 [ false, %bb ], [ true, %bb3 ]
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; CHECK-NEXT: store i32 1, ptr addrspace(1) null, align 4
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; CHECK-NEXT: br label %bb10
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; CHECK: bb10: ; preds = %bb7
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; CHECK-NEXT: store i32 2, ptr addrspace(1) null, align 4
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; CHECK-NEXT: unreachable
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define amdgpu_kernel void @func(i1 %arg, i1 %arg1, i1 %arg2) {
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bb:
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br i1 %arg1, label %bb3, label %bb7
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bb3: ; preds = %bb
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br i1 %arg2, label %bb4, label %bb7
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bb4: ; preds = %bb3
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store i32 0, ptr addrspace(1) null
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br label %bb5
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bb5: ; preds = %bb4
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unreachable
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bb6: ; No predecessors!
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unreachable
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bb7: ; preds = %bb3, %bb
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%i = phi i1 [ false, %bb ], [ true, %bb3 ]
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store i32 1, ptr addrspace(1) null
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br i1 %arg, label %bb10, label %bb8
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bb8: ; preds = %bb7
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br i1 %i, label %bb9, label %bb9
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bb9: ; preds = %bb8, %bb8
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unreachable
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bb10: ; preds = %bb7
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store i32 2, ptr addrspace(1) null
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unreachable
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}
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