1; RUN: opt < %s -basicaa -memcpyopt -disable-output 2 3target datalayout = "e-p:32:32:32-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" 4target triple = "armv7-eabi" 5 6%struct.qw = type { [4 x float] } 7%struct.bar = type { %struct.qw, %struct.qw, %struct.qw, %struct.qw, %struct.qw, float, float} 8 9; PR4882 10define void @test1(%struct.bar* %this) { 11entry: 12 %0 = getelementptr inbounds %struct.bar* %this, i32 0, i32 0, i32 0, i32 0 13 store float 0.000000e+00, float* %0, align 4 14 %1 = getelementptr inbounds %struct.bar* %this, i32 0, i32 0, i32 0, i32 1 15 store float 0.000000e+00, float* %1, align 4 16 %2 = getelementptr inbounds %struct.bar* %this, i32 0, i32 0, i32 0, i32 2 17 store float 0.000000e+00, float* %2, align 4 18 %3 = getelementptr inbounds %struct.bar* %this, i32 0, i32 0, i32 0, i32 3 19 store float 0.000000e+00, float* %3, align 4 20 %4 = getelementptr inbounds %struct.bar* %this, i32 0, i32 1, i32 0, i32 0 21 store float 0.000000e+00, float* %4, align 4 22 %5 = getelementptr inbounds %struct.bar* %this, i32 0, i32 1, i32 0, i32 1 23 store float 0.000000e+00, float* %5, align 4 24 %6 = getelementptr inbounds %struct.bar* %this, i32 0, i32 1, i32 0, i32 2 25 store float 0.000000e+00, float* %6, align 4 26 %7 = getelementptr inbounds %struct.bar* %this, i32 0, i32 1, i32 0, i32 3 27 store float 0.000000e+00, float* %7, align 4 28 %8 = getelementptr inbounds %struct.bar* %this, i32 0, i32 3, i32 0, i32 1 29 store float 0.000000e+00, float* %8, align 4 30 %9 = getelementptr inbounds %struct.bar* %this, i32 0, i32 3, i32 0, i32 2 31 store float 0.000000e+00, float* %9, align 4 32 %10 = getelementptr inbounds %struct.bar* %this, i32 0, i32 3, i32 0, i32 3 33 store float 0.000000e+00, float* %10, align 4 34 %11 = getelementptr inbounds %struct.bar* %this, i32 0, i32 4, i32 0, i32 0 35 store float 0.000000e+00, float* %11, align 4 36 %12 = getelementptr inbounds %struct.bar* %this, i32 0, i32 4, i32 0, i32 1 37 store float 0.000000e+00, float* %12, align 4 38 %13 = getelementptr inbounds %struct.bar* %this, i32 0, i32 4, i32 0, i32 2 39 store float 0.000000e+00, float* %13, align 4 40 %14 = getelementptr inbounds %struct.bar* %this, i32 0, i32 4, i32 0, i32 3 41 store float 0.000000e+00, float* %14, align 4 42 %15 = getelementptr inbounds %struct.bar* %this, i32 0, i32 5 43 store float 0.000000e+00, float* %15, align 4 44 unreachable 45} 46 47; PR8753 48 49declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, 50i1) nounwind 51 52define void @test2(i32 %cmd) nounwind { 53 call void @llvm.memcpy.p0i8.p0i8.i64(i8* undef, i8* undef, i64 20, i32 1, i1 54false) nounwind 55 call void @llvm.memcpy.p0i8.p0i8.i64(i8* null, i8* undef, i64 20, i32 1, i1 56false) nounwind 57 ret void 58} 59