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40 lines
1.1 KiB
LLVM
40 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -newgvn %s | FileCheck %s
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@a = external global i32
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define void @b() {
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; CHECK-LABEL: @b(
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; CHECK-NEXT: br i1 false, label [[C:%.*]], label [[WHILE_D:%.*]]
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; CHECK: while.d:
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; CHECK-NEXT: br label [[F:%.*]]
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; CHECK: f:
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; CHECK-NEXT: br i1 undef, label [[IF_E:%.*]], label [[C]]
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; CHECK: c:
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; CHECK-NEXT: br i1 undef, label [[IF_G:%.*]], label [[IF_E]]
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; CHECK: if.g:
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; CHECK-NEXT: store i32 undef, i32* @a
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; CHECK-NEXT: br label [[WHILE_D]]
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; CHECK: if.e:
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; CHECK-NEXT: br label [[F]]
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;
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br i1 false, label %c, label %while.d
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while.d: ; preds = %if.g, %0
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br label %f
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f: ; preds = %if.e, %while.d
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br i1 undef, label %if.e, label %c
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c: ; preds = %f, %0
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br i1 undef, label %if.g, label %if.e
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if.g: ; preds = %c
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store i32 undef, i32* @a
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br label %while.d
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if.e: ; preds = %c, %f
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br label %f
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}
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