llvm-for-llvmta/test/Analysis/GlobalsModRef/comdat-ipo.ll

23 lines
535 B
LLVM

; RUN: opt < %s -basic-aa -globals-aa -gvn -enable-new-pm=0 -S | FileCheck %s
; RUN: opt < %s -basic-aa -globals-aa -gvn -enable-new-pm=1 -S | FileCheck %s
; See PR26774
@X = internal global i32 4
define i32 @test(i32* %P) {
; CHECK: @test
; CHECK-NEXT: store i32 12, i32* @X
; CHECK-NEXT: call void @doesnotmodX()
; CHECK-NEXT: %V = load i32, i32* @X
; CHECK-NEXT: ret i32 %V
store i32 12, i32* @X
call void @doesnotmodX( )
%V = load i32, i32* @X
ret i32 %V
}
define linkonce_odr void @doesnotmodX() {
ret void
}