mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 19:52:54 +01:00
6c08f40f51
This is with an extra change to avoid calling MemoryLocation::get() on a call instruction. Differential Revision: https://reviews.llvm.org/D25542 llvm-svn: 284098
53 lines
931 B
LLVM
53 lines
931 B
LLVM
; RUN: opt -S -gvn-hoist < %s | FileCheck %s
|
|
|
|
; Make sure the two stores @B do not get hoisted past the load @B.
|
|
|
|
; CHECK-LABEL: define i8* @Foo
|
|
; CHECK: store
|
|
; CHECK: store
|
|
; CHECK: load
|
|
; CHECK: store
|
|
|
|
@A = external global i8
|
|
@B = external global i8*
|
|
|
|
define i8* @Foo() {
|
|
store i8 0, i8* @A
|
|
br i1 undef, label %if.then, label %if.else
|
|
|
|
if.then:
|
|
store i8* null, i8** @B
|
|
ret i8* null
|
|
|
|
if.else:
|
|
%1 = load i8*, i8** @B
|
|
store i8* null, i8** @B
|
|
ret i8* %1
|
|
}
|
|
|
|
; Make sure the two stores @B do not get hoisted past the store @GlobalVar.
|
|
|
|
; CHECK-LABEL: define i8* @Fun
|
|
; CHECK: store
|
|
; CHECK: store
|
|
; CHECK: store
|
|
; CHECK: store
|
|
; CHECK: load
|
|
|
|
@GlobalVar = internal global i8 0
|
|
|
|
define i8* @Fun() {
|
|
store i8 0, i8* @A
|
|
br i1 undef, label %if.then, label %if.else
|
|
|
|
if.then:
|
|
store i8* null, i8** @B
|
|
ret i8* null
|
|
|
|
if.else:
|
|
store i8 0, i8* @GlobalVar
|
|
store i8* null, i8** @B
|
|
%1 = load i8*, i8** @B
|
|
ret i8* %1
|
|
}
|