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7721cba2ee
ReduceOperandsSkip had the same issue as ReduceOperands when handling phis with repeated predecessors.
33 lines
974 B
LLVM
33 lines
974 B
LLVM
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=operands-skip --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: [ %gep1, %bb1 ]
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; CHECK: %phi.ptr = phi ptr [ %arg1, %entry ], [ %arg1, %entry ], [ %gep1, %bb1 ]
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define void @foo(i32 %arg0, ptr %arg1, ptr %arg2) {
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entry:
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%gep0 = getelementptr i32, ptr %arg1, i32 10
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%gep1 = getelementptr i32, ptr %arg2, i32 12
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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.ptr = phi ptr [ %gep0, %entry ], [ %gep0, %entry ], [ %gep1, %bb1 ]
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store volatile i32 0, ptr %phi.ptr
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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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