2022-03-09 06:33:19 +08:00
|
|
|
; RUN: opt -aa-pipeline=basic-aa,globals-aa -passes='require<globals-aa>,gvn' < %s -S | FileCheck %s
|
2015-10-28 18:41:29 +08:00
|
|
|
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
|
|
|
|
; @o and @m are initialized to @i, so they should not be classed as
|
|
|
|
; indirect globals referring only to allocation functions.
|
|
|
|
@o = internal global i32* @i, align 8
|
|
|
|
@m = internal global i32* @i, align 8
|
|
|
|
@i = internal global i32 0, align 4
|
|
|
|
|
|
|
|
; CHECK-LABEL: @f
|
|
|
|
define i1 @f() {
|
|
|
|
entry:
|
|
|
|
%0 = load i32*, i32** @o, align 8
|
|
|
|
store i32 0, i32* %0, align 4
|
|
|
|
%1 = load volatile i32*, i32** @m, align 8
|
|
|
|
store i32 1, i32* %1, align 4
|
|
|
|
; CHECK: %[[a:.*]] = load i32*
|
|
|
|
%2 = load i32*, i32** @o, align 8
|
|
|
|
; CHECK: %[[b:.*]] = load i32, i32* %[[a]]
|
|
|
|
%3 = load i32, i32* %2, align 4
|
|
|
|
; CHECK: %[[c:.*]] = icmp ne i32 %[[b]], 0
|
|
|
|
%tobool.i = icmp ne i32 %3, 0
|
|
|
|
; CHECK: ret i1 %[[c]]
|
|
|
|
ret i1 %tobool.i
|
2015-10-28 20:30:08 +08:00
|
|
|
}
|