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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -S -passes='move-auto-init' -verify-memoryssa | FileCheck %s3 4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"5 6; In that case, the store to %val happens before the fence and cannot go past7; it.8define void @foo(i32 %x) {9; CHECK-LABEL: @foo(10; CHECK-NEXT: entry:11; CHECK-NEXT: [[VAL:%.*]] = alloca i32, align 412; CHECK-NEXT: store i32 -1431655766, ptr [[VAL]], align 4, !annotation !013; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X:%.*]], 014; CHECK-NEXT: fence acquire15; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]16; CHECK: if.then:17; CHECK-NEXT: call void @dump(ptr [[VAL]])18; CHECK-NEXT: br label [[IF_END]]19; CHECK: if.end:20; CHECK-NEXT: ret void21;22entry:23 %val = alloca i32, align 424 store i32 -1431655766, ptr %val, align 4, !annotation !025 %tobool = icmp ne i32 %x, 026 fence acquire27 br i1 %tobool, label %if.then, label %if.end28 29if.then: ; preds = %entry30 call void @dump(ptr %val)31 br label %if.end32 33if.end: ; preds = %if.then, %entry34 ret void35}36 37; In that case, the store to %val happens after the fence and it is moved within38; the true branch as expected.39define void @bar(i32 %x) {40; CHECK-LABEL: @bar(41; CHECK-NEXT: entry:42; CHECK-NEXT: [[VAL:%.*]] = alloca i32, align 443; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[X:%.*]], 044; CHECK-NEXT: fence acquire45; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]46; CHECK: if.then:47; CHECK-NEXT: store i32 -1431655766, ptr [[VAL]], align 4, !annotation !048; CHECK-NEXT: call void @dump(ptr [[VAL]])49; CHECK-NEXT: br label [[IF_END]]50; CHECK: if.end:51; CHECK-NEXT: ret void52;53entry:54 %val = alloca i32, align 455 %tobool = icmp ne i32 %x, 056 fence acquire57 store i32 -1431655766, ptr %val, align 4, !annotation !058 br i1 %tobool, label %if.then, label %if.end59 60if.then: ; preds = %entry61 call void @dump(ptr %val)62 br label %if.end63 64if.end: ; preds = %if.then, %entry65 ret void66}67 68declare void @dump(ptr)69 70!0 = !{!"auto-init"}71