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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 22; RUN: opt -passes=mldst-motion -S < %s | FileCheck %s3target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"4 5; Test to make sure that load from the same address as a store and appears after the store prevents the store from being sunk6 7%struct.node = type { i32, ptr, ptr, ptr, i32, i32, i32, i32 }8 9define void @sink_store(ptr nocapture %r, i32 %index) {10; CHECK-LABEL: define void @sink_store11; CHECK-SAME: (ptr captures(none) [[R:%.*]], i32 [[INDEX:%.*]]) {12; CHECK-NEXT: entry:13; CHECK-NEXT: [[NODE_0_IN16:%.*]] = getelementptr inbounds [[STRUCT_NODE:%.*]], ptr [[R]], i64 0, i32 214; CHECK-NEXT: [[NODE_017:%.*]] = load ptr, ptr [[NODE_0_IN16]], align 815; CHECK-NEXT: [[INDEX_ADDR:%.*]] = alloca i32, align 416; CHECK-NEXT: store i32 [[INDEX]], ptr [[INDEX_ADDR]], align 417; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[INDEX_ADDR]], align 418; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP0]], 019; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]20; CHECK: if.then:21; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[INDEX_ADDR]], align 422; CHECK-NEXT: [[P1:%.*]] = getelementptr inbounds [[STRUCT_NODE]], ptr [[NODE_017]], i32 0, i32 623; CHECK-NEXT: store i32 [[TMP1]], ptr [[P1]], align 424; CHECK-NEXT: [[P2:%.*]] = getelementptr inbounds [[STRUCT_NODE]], ptr [[NODE_017]], i32 0, i32 625; CHECK-NEXT: [[BARRIER:%.*]] = load i32, ptr [[P2]], align 426; CHECK-NEXT: br label [[IF_END:%.*]]27; CHECK: if.else:28; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[INDEX_ADDR]], align 429; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP2]], 130; CHECK-NEXT: [[P3:%.*]] = getelementptr inbounds [[STRUCT_NODE]], ptr [[NODE_017]], i32 0, i32 631; CHECK-NEXT: store i32 [[ADD]], ptr [[P3]], align 432; CHECK-NEXT: br label [[IF_END]]33; CHECK: if.end:34; CHECK-NEXT: ret void35;36entry:37 %node.0.in16 = getelementptr inbounds %struct.node, ptr %r, i64 0, i32 238 %node.017 = load ptr, ptr %node.0.in16, align 839 %index.addr = alloca i32, align 440 store i32 %index, ptr %index.addr, align 441 %0 = load i32, ptr %index.addr, align 442 %cmp = icmp slt i32 %0, 043 br i1 %cmp, label %if.then, label %if.else44 45if.then: ; preds = %entry46 %1 = load i32, ptr %index.addr, align 447 %p1 = getelementptr inbounds %struct.node, ptr %node.017, i32 0, i32 648 store i32 %1, ptr %p1, align 449 %p2 = getelementptr inbounds %struct.node, ptr %node.017, i32 0, i32 650 %barrier = load i32 , ptr %p2, align 451 br label %if.end52 53if.else: ; preds = %entry54 %2 = load i32, ptr %index.addr, align 455 %add = add nsw i32 %2, 156 %p3 = getelementptr inbounds %struct.node, ptr %node.017, i32 0, i32 657 store i32 %add, ptr %p3, align 458 br label %if.end59 60if.end: ; preds = %if.else, %if.then61 ret void62}63