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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=memcpyopt -S -verify-memoryssa | FileCheck %s3; PR100674; Make sure the call+copy isn't optimized in such a way that5; %ret ends up with the wrong value.6 7target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"8target triple = "i386-apple-darwin10"9 10%struct1 = type { i32, i32 }11%struct2 = type { %struct1, ptr }12 13declare void @bar(ptr nocapture sret(%struct1) %agg.result) nounwind14 15define i32 @foo() nounwind {16; CHECK-LABEL: @foo(17; CHECK-NEXT: [[X:%.*]] = alloca [[STRUCT1:%.*]], align 818; CHECK-NEXT: [[Y:%.*]] = alloca [[STRUCT2:%.*]], align 819; CHECK-NEXT: call void @bar(ptr sret(%struct1) [[X]]) [[ATTR0:#.*]]20; CHECK-NEXT: store i32 0, ptr [[Y]], align 821; CHECK-NEXT: [[GEPN2:%.*]] = getelementptr inbounds [[STRUCT2]], ptr [[Y]], i32 0, i32 0, i32 122; CHECK-NEXT: store i32 0, ptr [[GEPN2]], align 423; CHECK-NEXT: [[LOAD:%.*]] = load i64, ptr [[X]], align 824; CHECK-NEXT: store i64 [[LOAD]], ptr [[Y]], align 825; CHECK-NEXT: [[RET:%.*]] = load i32, ptr [[Y]], align 426; CHECK-NEXT: ret i32 [[RET]]27;28 %x = alloca %struct1, align 829 %y = alloca %struct2, align 830 call void @bar(ptr sret(%struct1) %x) nounwind31 32 store i32 0, ptr %y, align 833 %gepn2 = getelementptr inbounds %struct2, ptr %y, i32 0, i32 0, i32 134 store i32 0, ptr %gepn2, align 435 36 %load = load i64, ptr %x, align 837 store i64 %load, ptr %y, align 838 39 40 %ret = load i32, ptr %y41 ret i32 %ret42}43