22 lines
607 B
LLVM
22 lines
607 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=instsimplify -S < %s | FileCheck %s
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define void @foo() nounwind {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: br i1 undef, label [[TMP1:%.*]], label [[TMP2:%.*]]
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; CHECK: 1:
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; CHECK-NEXT: br label [[TMP1]]
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; CHECK: 2:
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; CHECK-NEXT: ret void
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;
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br i1 undef, label %1, label %4
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; <label>:1 ; preds = %1, %0
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%2 = phi i32 [ %3, %1 ], [ undef, %0 ]
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%3 = sub i32 0, undef
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br label %1
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; <label>:4 ; preds = %0
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ret void
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}
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