1; Test to make sure that a function call that needs to be a barrier to sinking stores is indeed a barrier. 2; Stores sunks into the footer. 3; RUN: opt -basicaa -memdep -mldst-motion -S < %s | FileCheck %s 4target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 5 6%struct.node = type { i32, %struct.node*, %struct.node*, %struct.node*, i32, i32, i32, i32 } 7 8declare i32 @foo(i32 %x) 9 10; Function Attrs: nounwind uwtable 11define void @sink_store(%struct.node* nocapture %r, i32 %index) { 12entry: 13 %node.0.in16 = getelementptr inbounds %struct.node, %struct.node* %r, i64 0, i32 2 14 %node.017 = load %struct.node*, %struct.node** %node.0.in16, align 8 15 %index.addr = alloca i32, align 4 16 store i32 %index, i32* %index.addr, align 4 17 %0 = load i32, i32* %index.addr, align 4 18 %cmp = icmp slt i32 %0, 0 19 br i1 %cmp, label %if.then, label %if.else 20 21; CHECK: if.then 22if.then: ; preds = %entry 23 %1 = load i32, i32* %index.addr, align 4 24 %p1 = getelementptr inbounds %struct.node, %struct.node* %node.017, i32 0, i32 6 25 ; CHECK: store i32 26 store i32 %1, i32* %p1, align 4 27 br label %if.end 28 29; CHECK: if.else 30if.else: ; preds = %entry 31 %2 = load i32, i32* %index.addr, align 4 32 %add = add nsw i32 %2, 1 33 %p3 = getelementptr inbounds %struct.node, %struct.node* %node.017, i32 0, i32 6 34 ; CHECK: store i32 35 store i32 %add, i32* %p3, align 4 36 call i32 @foo(i32 5) ;barrier 37 br label %if.end 38 39; CHECK: if.end 40if.end: ; preds = %if.else, %if.then 41; CHECK-NOT: store 42 ret void 43} 44