1; The goal of the test is to check that newly inserted `ptrcast` internal 2; intrinsic functions for PHI's operands are inserted at the correct 3; positions, and don't break rules of instruction domination and PHI nodes 4; grouping at top of basic block. 5 6; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s 7; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %} 8 9 10; CHECK-DAG: OpName %[[#Case1:]] "case1" 11; CHECK-DAG: OpName %[[#Case2:]] "case2" 12; CHECK-DAG: OpName %[[#Case3:]] "case3" 13 14%struct1 = type { i64 } 15%struct2 = type { i64, i64 } 16 17@.str.1 = private unnamed_addr addrspace(1) constant [3 x i8] c"OK\00", align 1 18@.str.2 = private unnamed_addr addrspace(1) constant [6 x i8] c"WRONG\00", align 1 19 20; CHECK: %[[#Case1]] = OpFunction 21define spir_func void @case1(i1 %b1, i1 %b2, i1 %b3) { 22entry: 23; CHECK: OpBranchConditional %[[#]] %[[#l1:]] %[[#l2:]] 24 br i1 %b1, label %l1, label %l2 25 26l1: 27 %str = phi ptr addrspace(1) [ @.str.1, %entry ], [ @.str.2, %l2 ], [ @.str.2, %l3 ] 28 br label %exit 29 30; CHECK: %[[#l2]] = OpLabel 31; CHECK: OpBranchConditional %[[#]] %[[#l1]] %[[#l3:]] 32l2: 33 br i1 %b2, label %l1, label %l3 34 35; CHECK: %[[#l3]] = OpLabel 36; CHECK: OpBranchConditional %[[#]] %[[#l1]] %[[#exit:]] 37l3: 38 br i1 %b3, label %l1, label %exit 39 40; CHECK: %[[#l1]] = OpLabel 41; CHECK-NEXT: OpPhi 42; CHECK: OpBranch %[[#exit]] 43 44; CHECK: %[[#exit]] = OpLabel 45; CHECK: OpReturn 46exit: 47 ret void 48 49} 50 51; CHECK: %[[#Case2]] = OpFunction 52define spir_func void @case2(i1 %b1, i1 %b2, i1 %b3, ptr addrspace(1) byval(%struct1) %str1, ptr addrspace(1) byval(%struct2) %str2) { 53entry: 54; CHECK: OpBranchConditional %[[#]] %[[#l1:]] %[[#l2:]] 55 br i1 %b1, label %l1, label %l2 56 57l1: 58 %str = phi ptr addrspace(1) [ %str1, %entry ], [ %str2, %l2 ], [ %str2, %l3 ] 59 br label %exit 60 61; CHECK: %[[#l2]] = OpLabel 62; CHECK: OpBranchConditional %[[#]] %[[#l1]] %[[#l3:]] 63l2: 64 br i1 %b2, label %l1, label %l3 65 66; CHECK: %[[#l3]] = OpLabel 67; CHECK: OpBranchConditional %[[#]] %[[#l1]] %[[#exit:]] 68l3: 69 br i1 %b3, label %l1, label %exit 70 71; CHECK: %[[#l1]] = OpLabel 72; CHECK-NEXT: OpPhi 73; CHECK: OpBranch %[[#exit]] 74 75; CHECK: %[[#exit]] = OpLabel 76; CHECK: OpReturn 77exit: 78 ret void 79} 80 81; CHECK: %[[#Case3]] = OpFunction 82define spir_func void @case3(i1 %b1, i1 %b2, i1 %b3, ptr addrspace(1) byval(%struct1) %_arg_str1, ptr addrspace(1) byval(%struct2) %_arg_str2) { 83 84; CHECK: OpBranchConditional %[[#]] %[[#l1:]] %[[#l2:]] 85entry: 86 br i1 %b1, label %l1, label %l2 87 88l1: 89 %str = phi ptr addrspace(1) [ %_arg_str1, %entry ], [ %str2, %l2 ], [ %str3, %l3 ] 90 br label %exit 91 92; CHECK: %[[#l2]] = OpLabel 93; CHECK: OpInBoundsPtrAccessChain 94; CHECK: OpBranchConditional %[[#]] %[[#l1]] %[[#l3:]] 95l2: 96 %str2 = getelementptr inbounds %struct2, ptr addrspace(1) %_arg_str2, i32 1 97 br i1 %b2, label %l1, label %l3 98 99; CHECK: %[[#l3]] = OpLabel 100; CHECK: OpInBoundsPtrAccessChain 101; CHECK: OpBranchConditional %[[#]] %[[#l1]] %[[#exit:]] 102l3: 103 %str3 = getelementptr inbounds %struct2, ptr addrspace(1) %_arg_str2, i32 2 104 br i1 %b3, label %l1, label %exit 105 106; CHECK: %[[#l1]] = OpLabel 107; CHECK-NEXT: OpPhi 108; CHECK: OpBranch %[[#exit]] 109 110; CHECK: %[[#exit]] = OpLabel 111; CHECK: OpReturn 112exit: 113 ret void 114} 115