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; RUN: opt < %s -gvn-sink -S | FileCheck %s
; Check that nonnull metadata for non-dominating loads is not propagated.
; CHECK-LABEL: @test1(
; CHECK-LABEL: if.end:
; CHECK: %[[ptr:.*]] = phi i32**
; CHECK: %[[load:.*]] = load i32*, i32** %[[ptr]]
; CHECK-NOT: !nonnull
; CHECK: ret i32* %[[load]]
define i32* @test1(i1 zeroext %flag, i32*** %p) {
entry:
br i1 %flag, label %if.then, label %if.else
if.then:
%a = load i32**, i32*** %p
%aa = load i32*, i32** %a, !nonnull !0
br label %if.end
if.else:
%b = load i32**, i32*** %p
%bb= load i32*, i32** %b
br label %if.end
if.end:
%c = phi i32* [ %aa, %if.then ], [ %bb, %if.else ]
ret i32* %c
}
; CHECK-LABEL: @test2(
; CHECK-LABEL: if.end:
; CHECK: %[[ptr:.*]] = phi i32**
; CHECK: %[[load:.*]] = load i32*, i32** %[[ptr]]
; CHECK-NOT: !nonnull
; CHECK: ret i32* %[[load]]
define i32* @test2(i1 zeroext %flag, i32*** %p) {
entry:
br i1 %flag, label %if.then, label %if.else
if.then:
%a = load i32**, i32*** %p
%aa = load i32*, i32** %a
br label %if.end
if.else:
%b = load i32**, i32*** %p
%bb= load i32*, i32** %b, !nonnull !0
br label %if.end
if.end:
%c = phi i32* [ %aa, %if.then ], [ %bb, %if.else ]
ret i32* %c
}
!0 = !{}
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