1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -memcpyopt -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-macosx10.8.0" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker%struct.foo = type { i8, [7 x i8], i32 } 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine i32 @test1(%struct.foo* nocapture %foobie) nounwind noinline ssp uwtable { 9*9880d681SAndroid Build Coastguard Worker %bletch.sroa.1 = alloca [7 x i8], align 1 10*9880d681SAndroid Build Coastguard Worker %1 = getelementptr inbounds %struct.foo, %struct.foo* %foobie, i64 0, i32 0 11*9880d681SAndroid Build Coastguard Worker store i8 98, i8* %1, align 4 12*9880d681SAndroid Build Coastguard Worker %2 = getelementptr inbounds %struct.foo, %struct.foo* %foobie, i64 0, i32 1, i64 0 13*9880d681SAndroid Build Coastguard Worker %3 = getelementptr inbounds [7 x i8], [7 x i8]* %bletch.sroa.1, i64 0, i64 0 14*9880d681SAndroid Build Coastguard Worker call void @llvm.memcpy.p0i8.p0i8.i64(i8* %2, i8* %3, i64 7, i32 1, i1 false) 15*9880d681SAndroid Build Coastguard Worker %4 = getelementptr inbounds %struct.foo, %struct.foo* %foobie, i64 0, i32 2 16*9880d681SAndroid Build Coastguard Worker store i32 20, i32* %4, align 4 17*9880d681SAndroid Build Coastguard Worker ret i32 undef 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker; Check that the memcpy is removed. 20*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1( 21*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @llvm.memcpy 22*9880d681SAndroid Build Coastguard Worker} 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerdefine void @test2(i8* sret noalias nocapture %out, i8* %in) nounwind noinline ssp uwtable { 25*9880d681SAndroid Build Coastguard Worker call void @llvm.lifetime.start(i64 8, i8* %in) 26*9880d681SAndroid Build Coastguard Worker call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %in, i64 8, i32 1, i1 false) 27*9880d681SAndroid Build Coastguard Worker ret void 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker; Check that the memcpy is removed. 30*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test2( 31*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @llvm.memcpy 32*9880d681SAndroid Build Coastguard Worker} 33*9880d681SAndroid Build Coastguard Worker 34*9880d681SAndroid Build Coastguard Workerdefine void @test3(i8* sret noalias nocapture %out, i8* %in) nounwind noinline ssp uwtable { 35*9880d681SAndroid Build Coastguard Worker call void @llvm.lifetime.start(i64 4, i8* %in) 36*9880d681SAndroid Build Coastguard Worker call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %in, i64 8, i32 1, i1 false) 37*9880d681SAndroid Build Coastguard Worker ret void 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker; Check that the memcpy is not removed. 40*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test3( 41*9880d681SAndroid Build Coastguard Worker; CHECK: call void @llvm.memcpy 42*9880d681SAndroid Build Coastguard Worker} 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.lifetime.start(i64, i8* nocapture) nounwind 47