; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -basic-aa -memcpyopt -S -enable-memcpyopt-memoryssa=0 | FileCheck %s ; RUN: opt < %s -basic-aa -memcpyopt -S -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s target datalayout = "e" declare void @foo(i8*) declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind define void @test() { ; CHECK-LABEL: @test( ; CHECK-NEXT: [[PTR1:%.*]] = alloca i8, align 1 ; CHECK-NEXT: [[PTR2:%.*]] = alloca i8, align 1 ; CHECK-NEXT: call void @foo(i8* [[PTR2]]) ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[PTR1]], i8* [[PTR2]], i32 1, i1 false) ; CHECK-NEXT: call void @foo(i8* [[PTR1]]) ; CHECK-NEXT: ret void ; %ptr1 = alloca i8 %ptr2 = alloca i8 call void @foo(i8* %ptr2) call void @llvm.memcpy.p0i8.p0i8.i32(i8* %ptr1, i8* %ptr2, i32 1, i1 false) call void @foo(i8* %ptr1) ret void ; Check that the transformation isn't applied if the called function can ; capture the pointer argument (i.e. the nocapture attribute isn't present) }