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25 lines
438 B
LLVM
25 lines
438 B
LLVM
; RUN: opt -S -gvn < %s | FileCheck %s
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define i32 @test1(i32* %p, i1 %C) {
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; CHECK-LABEL: @test1(
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block1:
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br i1 %C, label %block2, label %block3
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block2:
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br label %block4
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; CHECK: block2:
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; CHECK-NEXT: load i32, i32* %p, !range !0, !invariant.group !1
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block3:
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store i32 0, i32* %p
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br label %block4
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block4:
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%PRE = load i32, i32* %p, !range !0, !invariant.group !1
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ret i32 %PRE
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}
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!0 = !{i32 40, i32 100}
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!1 = !{!"magic ptr"}
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