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37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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;; Ensure the store verifier is not overzealous
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; RUN: opt -newgvn -enable-phi-of-ops=true -S %s | FileCheck %s
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@b = external global i16, align 2
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define void @patatino() {
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; CHECK-LABEL: @patatino(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 false, label [[FOR_COND1:%.*]], label [[FOR_INC:%.*]]
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; CHECK: for.cond1:
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; CHECK-NEXT: [[PHIOFOPS:%.*]] = phi i16 [ undef, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_INC]] ]
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; CHECK-NEXT: store i16 [[PHIOFOPS]], i16* @b, align 2
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; CHECK-NEXT: br label [[FOR_INC]]
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; CHECK: for.inc:
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; CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* @b, align 2
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; CHECK-NEXT: [[INC]] = add i16 [[TMP0]], 1
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; CHECK-NEXT: store i16 [[INC]], i16* @b, align 2
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; CHECK-NEXT: br label [[FOR_COND1]]
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;
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entry:
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br i1 false, label %for.cond1, label %for.inc
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for.cond1:
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%e.0 = phi i16* [ %e.1, %for.inc ], [ null, %entry ]
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%0 = load i16, i16* %e.0, align 2
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%add = add i16 %0, 0
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store i16 %add, i16* %e.0, align 2
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br label %for.inc
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for.inc:
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%e.1 = phi i16* [ %e.0, %for.cond1 ], [ @b, %entry ]
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%1 = load i16, i16* @b, align 2
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%inc = add i16 %1, 1
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store i16 %inc, i16* @b, align 2
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br label %for.cond1
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}
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