1; Test to make sure that stores in a diamond get merged 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 8; Function Attrs: nounwind uwtable 9define void @sink_store(%struct.node* nocapture %r, i32 %index) { 10entry: 11 %node.0.in16 = getelementptr inbounds %struct.node, %struct.node* %r, i64 0, i32 2 12 %node.017 = load %struct.node*, %struct.node** %node.0.in16, align 8 13 %index.addr = alloca i32, align 4 14 store i32 %index, i32* %index.addr, align 4 15 %0 = load i32, i32* %index.addr, align 4 16 %cmp = icmp slt i32 %0, 0 17 br i1 %cmp, label %if.then, label %if.else 18 19; CHECK: if.then 20if.then: ; preds = %entry 21 %1 = load i32, i32* %index.addr, align 4 22 %p1 = getelementptr inbounds %struct.node, %struct.node* %node.017, i32 0, i32 6 23 ; CHECK-NOT: store i32 24 store i32 %1, i32* %p1, align 4 25 %p2 = getelementptr inbounds %struct.node, %struct.node* %node.017, i32 4, i32 6 26 ; CHECK-NOT: store i32 27 store i32 %1, i32* %p2, align 4 28 br label %if.end 29 30; CHECK: if.else 31if.else: ; preds = %entry 32 %2 = load i32, i32* %index.addr, align 4 33 %add = add nsw i32 %2, 1 34 %p3 = getelementptr inbounds %struct.node, %struct.node* %node.017, i32 0, i32 6 35 ; CHECK-NOT: store i32 36 store i32 %add, i32* %p3, align 4 37 %p4 = getelementptr inbounds %struct.node, %struct.node* %node.017, i32 4, i32 6 38 ; CHECK-NOT: store i32 39 store i32 %2, i32* %p4, align 4 40 br label %if.end 41 42; CHECK: if.end 43if.end: ; preds = %if.else, %if.then 44; CHECK: store 45; CHECK: store 46 ret void 47} 48