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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -passes='move-auto-init' -verify-memoryssa | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
; In that case, the store to %val happens before the fence and cannot go past
; it.
define void @foo(i32 %x) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[VAL:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 -1431655766, ptr [[VAL]], align 4, !annotation !0
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X:%.*]], 0
; CHECK-NEXT: fence acquire
; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: call void @dump(ptr [[VAL]])
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret void
;
entry:
%val = alloca i32, align 4
store i32 -1431655766, ptr %val, align 4, !annotation !0
%tobool = icmp ne i32 %x, 0
fence acquire
br i1 %tobool, label %if.then, label %if.end
if.then: ; preds = %entry
call void @dump(ptr %val)
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
; In that case, the store to %val happens after the fence and it is moved within
; the true branch as expected.
define void @bar(i32 %x) {
; CHECK-LABEL: @bar(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[VAL:%.*]] = alloca i32, align 4
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X:%.*]], 0
; CHECK-NEXT: fence acquire
; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i32 -1431655766, ptr [[VAL]], align 4, !annotation !0
; CHECK-NEXT: call void @dump(ptr [[VAL]])
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret void
;
entry:
%val = alloca i32, align 4
%tobool = icmp ne i32 %x, 0
fence acquire
store i32 -1431655766, ptr %val, align 4, !annotation !0
br i1 %tobool, label %if.then, label %if.end
if.then: ; preds = %entry
call void @dump(ptr %val)
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
declare void @dump(ptr)
!0 = !{!"auto-init"}
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