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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 42; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=instcombine %s | FileCheck %s3 4; It is illegal to pass ptr addrspace(4) in %arg by addrspacecasting5; to ptr addrspace(5) to pass off to the stack argument. A temporary6; alloca and memcpy is necessary.7define void @issue68120_invalid_addrspacecast_introduced_0(ptr addrspace(4) byref([56 x i8]) %arg) {8; CHECK-LABEL: define void @issue68120_invalid_addrspacecast_introduced_0(9; CHECK-SAME: ptr addrspace(4) byref([56 x i8]) [[ARG:%.*]]) {10; CHECK-NEXT: [[ADDRSPACECAST_0_TO_5:%.*]] = alloca [56 x i8], align 1, addrspace(5)11; CHECK-NEXT: call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noundef align 1 dereferenceable(56) [[ADDRSPACECAST_0_TO_5]], ptr addrspace(4) noundef align 1 dereferenceable(56) [[ARG]], i64 56, i1 false)12; CHECK-NEXT: call void @byval_func(ptr addrspace(5) [[ADDRSPACECAST_0_TO_5]])13; CHECK-NEXT: ret void14;15 %alloca = alloca [56 x i8], addrspace(5)16 %alloca1 = alloca [56 x i8], addrspace(5)17 call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) %alloca, ptr addrspace(4) %arg, i64 56, i1 false)18 call void @llvm.memcpy.p5.p5.i64(ptr addrspace(5) %alloca1, ptr addrspace(5) %alloca, i64 56, i1 false)19 %addrspacecast.alloca1 = addrspacecast ptr addrspace(5) %alloca1 to ptr20 %addrspacecast.0.to.5 = addrspacecast ptr %addrspacecast.alloca1 to ptr addrspace(5)21 call void @byval_func(ptr addrspace(5) %addrspacecast.0.to.5)22 ret void23}24 25; Further reduced variant that already eliminated one of the copies26define void @issue68120_invalid_addrspacecast_introduced_1(ptr addrspace(4) byref([56 x i8]) %arg) {27; CHECK-LABEL: define void @issue68120_invalid_addrspacecast_introduced_1(28; CHECK-SAME: ptr addrspace(4) byref([56 x i8]) [[ARG:%.*]]) {29; CHECK-NEXT: [[ADDRSPACECAST_0_TO_5:%.*]] = alloca [56 x i8], align 1, addrspace(5)30; CHECK-NEXT: call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noundef align 1 dereferenceable(56) [[ADDRSPACECAST_0_TO_5]], ptr addrspace(4) noundef align 1 dereferenceable(56) [[ARG]], i64 56, i1 false)31; CHECK-NEXT: call void @byval_func(ptr addrspace(5) [[ADDRSPACECAST_0_TO_5]])32; CHECK-NEXT: ret void33;34 %alloca = alloca [56 x i8], addrspace(5)35 call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) %alloca, ptr addrspace(4) %arg, i64 56, i1 false)36 %addrspacecast.alloca = addrspacecast ptr addrspace(5) %alloca to ptr37 %addrspacecast.0.to.5 = addrspacecast ptr %addrspacecast.alloca to ptr addrspace(5)38 call void @byval_func(ptr addrspace(5) %addrspacecast.0.to.5)39 ret void40}41 42define void @issue68120_use_cast_to_as0(ptr addrspace(4) byref([56 x i8]) %arg) {43; CHECK-LABEL: define void @issue68120_use_cast_to_as0(44; CHECK-SAME: ptr addrspace(4) byref([56 x i8]) [[ARG:%.*]]) {45; CHECK-NEXT: [[ALLOCA:%.*]] = alloca [56 x i8], align 1, addrspace(5)46; CHECK-NEXT: call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noundef align 1 dereferenceable(56) [[ALLOCA]], ptr addrspace(4) noundef align 1 dereferenceable(56) [[ARG]], i64 56, i1 false)47; CHECK-NEXT: [[ADDRSPACECAST_ALLOCA:%.*]] = addrspacecast ptr addrspace(5) [[ALLOCA]] to ptr48; CHECK-NEXT: call void @other_func(ptr [[ADDRSPACECAST_ALLOCA]])49; CHECK-NEXT: ret void50;51 %alloca = alloca [56 x i8], addrspace(5)52 call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) %alloca, ptr addrspace(4) %arg, i64 56, i1 false)53 %addrspacecast.alloca = addrspacecast ptr addrspace(5) %alloca to ptr54 %addrspacecast.0.to.5 = addrspacecast ptr %addrspacecast.alloca to ptr addrspace(5)55 call void @other_func(ptr %addrspacecast.alloca)56 ret void57}58 59define void @issue68120_uses_invalid_addrspacecast(ptr addrspace(4) byref([56 x i8]) %arg) {60; CHECK-LABEL: define void @issue68120_uses_invalid_addrspacecast(61; CHECK-SAME: ptr addrspace(4) byref([56 x i8]) [[ARG:%.*]]) {62; CHECK-NEXT: [[ADDRSPACECAST_0_TO_5:%.*]] = alloca [56 x i8], align 1, addrspace(5)63; CHECK-NEXT: call void @llvm.memcpy.p5.p4.i64(ptr addrspace(5) noundef align 1 dereferenceable(56) [[ADDRSPACECAST_0_TO_5]], ptr addrspace(4) noundef align 1 dereferenceable(56) [[ARG]], i64 56, i1 false)64; CHECK-NEXT: call void @byval_func(ptr addrspace(5) [[ADDRSPACECAST_0_TO_5]])65; CHECK-NEXT: ret void66;67 %alloca = alloca [56 x i8], addrspace(5)68 %alloca1 = alloca [56 x i8], addrspace(5)69 %illegal.cast = addrspacecast ptr addrspace(4) %arg to ptr addrspace(5)70 call void @llvm.memcpy.p5.p5.i64(ptr addrspace(5) %alloca, ptr addrspace(5) %illegal.cast, i64 56, i1 false)71 call void @llvm.memcpy.p5.p5.i64(ptr addrspace(5) %alloca1, ptr addrspace(5) %alloca, i64 56, i1 false)72 %addrspacecast.alloca1 = addrspacecast ptr addrspace(5) %alloca1 to ptr73 %addrspacecast.0.to.5 = addrspacecast ptr %addrspacecast.alloca1 to ptr addrspace(5)74 call void @byval_func(ptr addrspace(5) %addrspacecast.0.to.5)75 ret void76}77 78 79declare void @byval_func(ptr addrspace(5) byval([56 x i8]))80declare void @other_func(ptr)81 82