llvm-for-llvmta/test/Transforms/GVN/PRE/load-metadata.ll

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2022-04-25 10:02:23 +02:00
; RUN: opt -S -gvn < %s | FileCheck %s
define i32 @test1(i32* %p, i1 %C) {
; CHECK-LABEL: @test1(
block1:
br i1 %C, label %block2, label %block3
block2:
br label %block4
; CHECK: block2:
; CHECK-NEXT: load i32, i32* %p, align 4, !range !0, !invariant.group !1
block3:
store i32 0, i32* %p
br label %block4
block4:
%PRE = load i32, i32* %p, !range !0, !invariant.group !1
ret i32 %PRE
}
!0 = !{i32 40, i32 100}
!1 = !{!"magic ptr"}