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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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38
external/llvm/test/Transforms/GVNHoist/hoist-inline.ll vendored Normal file
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; RUN: opt -S -O2 -enable-gvn-hoist < %s | FileCheck %s
; Check that the inlined loads are hoisted.
; CHECK-LABEL: define i32 @fun(
; CHECK-LABEL: entry:
; CHECK: load i32, i32* @A
; CHECK: if.then:
@A = external global i32
@B = external global i32
@C = external global i32
define i32 @loadA() {
%a = load i32, i32* @A
ret i32 %a
}
define i32 @fun(i1 %c) {
entry:
br i1 %c, label %if.then, label %if.else
if.then:
store i32 1, i32* @B
%call1 = call i32 @loadA()
store i32 2, i32* @C
br label %if.endif
if.else:
store i32 2, i32* @C
%call2 = call i32 @loadA()
store i32 1, i32* @B
br label %if.endif
if.endif:
%ret = phi i32 [ %call1, %if.then ], [ %call2, %if.else ]
ret i32 %ret
}