; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -S -basic-aa -memcpyopt -verify-memoryssa | FileCheck %s target 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" target triple = "armv7-eabi" %struct.qw = type { [4 x float] } %struct.bar = type { %struct.qw, %struct.qw, %struct.qw, %struct.qw, %struct.qw, float, float} ; PR4882 define void @test1(%struct.bar* %this) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds [[STRUCT_BAR:%.*]], %struct.bar* [[THIS:%.*]], i32 0, i32 0, i32 0, i32 0 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 0, i32 0, i32 1 ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 0, i32 0, i32 2 ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 0, i32 0, i32 3 ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 1, i32 0, i32 0 ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 1, i32 0, i32 1 ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 1, i32 0, i32 2 ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 1, i32 0, i32 3 ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 3, i32 0, i32 1 ; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 3, i32 0, i32 2 ; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 3, i32 0, i32 3 ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 4, i32 0, i32 0 ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 4, i32 0, i32 1 ; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 4, i32 0, i32 2 ; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 4, i32 0, i32 3 ; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds [[STRUCT_BAR]], %struct.bar* [[THIS]], i32 0, i32 5 ; CHECK-NEXT: [[TMP16:%.*]] = bitcast float* [[TMP0]] to i8* ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP16]], i8 0, i64 32, i1 false) ; CHECK-NEXT: [[TMP17:%.*]] = bitcast float* [[TMP8]] to i8* ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP17]], i8 0, i64 32, i1 false) ; CHECK-NEXT: unreachable ; entry: %0 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 0, i32 0, i32 0 store float 0.000000e+00, float* %0, align 4 %1 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 0, i32 0, i32 1 store float 0.000000e+00, float* %1, align 4 %2 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 0, i32 0, i32 2 store float 0.000000e+00, float* %2, align 4 %3 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 0, i32 0, i32 3 store float 0.000000e+00, float* %3, align 4 %4 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 1, i32 0, i32 0 store float 0.000000e+00, float* %4, align 4 %5 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 1, i32 0, i32 1 store float 0.000000e+00, float* %5, align 4 %6 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 1, i32 0, i32 2 store float 0.000000e+00, float* %6, align 4 %7 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 1, i32 0, i32 3 store float 0.000000e+00, float* %7, align 4 %8 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 3, i32 0, i32 1 store float 0.000000e+00, float* %8, align 4 %9 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 3, i32 0, i32 2 store float 0.000000e+00, float* %9, align 4 %10 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 3, i32 0, i32 3 store float 0.000000e+00, float* %10, align 4 %11 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 4, i32 0, i32 0 store float 0.000000e+00, float* %11, align 4 %12 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 4, i32 0, i32 1 store float 0.000000e+00, float* %12, align 4 %13 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 4, i32 0, i32 2 store float 0.000000e+00, float* %13, align 4 %14 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 4, i32 0, i32 3 store float 0.000000e+00, float* %14, align 4 %15 = getelementptr inbounds %struct.bar, %struct.bar* %this, i32 0, i32 5 store float 0.000000e+00, float* %15, align 4 unreachable } ; PR8753 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind define void @test2(i32 %cmd) nounwind { ; CHECK-LABEL: @test2( ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* null, i8* undef, i64 20, i1 false) [[ATTR1:#.*]] ; CHECK-NEXT: ret void ; call void @llvm.memcpy.p0i8.p0i8.i64(i8* undef, i8* undef, i64 20, i1 false) nounwind call void @llvm.memcpy.p0i8.p0i8.i64(i8* null, i8* undef, i64 20, i1 false) nounwind ret void } ; https://llvm.org/PR48075 @g = external global i16, align 1 define void @inttoptr_constexpr_crash(<1 x i16*>* %p) { ; CHECK-LABEL: @inttoptr_constexpr_crash( ; CHECK-NEXT: store <1 x i16*> inttoptr (<1 x i16> bitcast (<2 x i8> <i8 ptrtoint (i16* @g to i8), i8 ptrtoint (i16* @g to i8)> to <1 x i16>) to <1 x i16*>), <1 x i16*>* [[P:%.*]], align 1 ; CHECK-NEXT: ret void ; store <1 x i16*> inttoptr (<1 x i16> bitcast (<2 x i8> <i8 ptrtoint (i16* @g to i8), i8 ptrtoint (i16* @g to i8)> to <1 x i16>) to <1 x i16*>), <1 x i16*>* %p, align 1 ret void }