1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
; RUN: opt -S -passes=sink < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @test1(ptr) {
entry:
%1 = call ptr %0() #0
fence syncscope("singlethread") seq_cst
%2 = load i32, ptr %1, align 4
fence syncscope("singlethread") seq_cst
%3 = icmp eq i32 %2, 0
br i1 %3, label %fail, label %pass
fail: ; preds = %top
br label %pass
pass: ; preds = %fail, %top
ret void
}
; CHECK-LABEL: @test1(
; CHECK: %[[call:.*]] = call ptr %0()
; CHECK: fence syncscope("singlethread") seq_cst
; CHECK: load i32, ptr %[[call]], align 4
; CHECK: fence syncscope("singlethread") seq_cst
attributes #0 = { nounwind readnone }
|
