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; 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)
}
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