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Imported Upstream version 5.18.0.167
Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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; RUN: opt -S -O2 -enable-gvn-hoist < %s | FileCheck %s
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; Check that the inlined loads are hoisted.
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; CHECK-LABEL: define i32 @fun(
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; CHECK-LABEL: entry:
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; CHECK: load i32, i32* @A
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; CHECK: if.then:
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@A = external global i32
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@B = external global i32
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@C = external global i32
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define i32 @loadA() {
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%a = load i32, i32* @A
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ret i32 %a
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}
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define i32 @fun(i1 %c) {
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entry:
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br i1 %c, label %if.then, label %if.else
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if.then:
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store i32 1, i32* @B
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%call1 = call i32 @loadA()
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store i32 2, i32* @C
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br label %if.endif
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if.else:
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store i32 2, i32* @C
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%call2 = call i32 @loadA()
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store i32 1, i32* @B
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br label %if.endif
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if.endif:
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%ret = phi i32 [ %call1, %if.then ], [ %call2, %if.else ]
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ret i32 %ret
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}
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