forked from OSchip/llvm-project
27 lines
634 B
LLVM
27 lines
634 B
LLVM
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; RUN: opt < %s -S -ipsccp | FileCheck %s
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@_ZL6test1g = internal global i32 42, align 4
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define void @_Z7test1f1v() nounwind {
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entry:
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%tmp = load i32* @_ZL6test1g, align 4
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%cmp = icmp eq i32 %tmp, 0
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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store i32 0, i32* @_ZL6test1g, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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ret void
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}
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; CHECK: @_Z7test1f2v()
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; CHECK: entry:
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; CHECK-NEXT: ret i32 42
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define i32 @_Z7test1f2v() nounwind {
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entry:
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%tmp = load i32* @_ZL6test1g, align 4
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ret i32 %tmp
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}
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