1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds --amdgpu-lower-module-lds-strategy=module < %s | FileCheck %s 3; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds --amdgpu-lower-module-lds-strategy=module < %s | FileCheck %s 4 5@var = addrspace(3) global i32 undef, align 4 6 7; Regression test. Duplicate constantexpr in phi nodes shall not emit broken IR 8define amdgpu_kernel void @func(i32 %c) { 9; CHECK-LABEL: @func( 10; CHECK-NEXT: entry: 11; CHECK-NEXT: switch i32 [[C:%.*]], label [[RETURN:%.*]] [ 12; CHECK-NEXT: i32 0, label [[BB0:%.*]] 13; CHECK-NEXT: i32 1, label [[BB1:%.*]] 14; CHECK-NEXT: ] 15; CHECK: bb0: 16; CHECK-NEXT: [[TMP0:%.*]] = addrspacecast ptr addrspace(3) @llvm.amdgcn.kernel.func.lds to ptr 17; CHECK-NEXT: br label [[BB2:%.*]] 18; CHECK: bb1: 19; CHECK-NEXT: [[TMP1:%.*]] = addrspacecast ptr addrspace(3) @llvm.amdgcn.kernel.func.lds to ptr 20; CHECK-NEXT: br label [[BB2]] 21; CHECK: bb2: 22; CHECK-NEXT: [[TMP:%.*]] = phi ptr [ [[TMP0]], [[BB0]] ], [ [[TMP1]], [[BB1]] ] 23; CHECK-NEXT: br label [[RETURN]] 24; CHECK: return: 25; CHECK-NEXT: ret void 26; 27entry: 28 switch i32 %c, label %return [ 29 i32 0, label %bb0 30 i32 1, label %bb1 31 ] 32 33bb0: 34 br label %bb2 35 36bb1: 37 br label %bb2 38 39bb2: 40 %tmp = phi ptr [ addrspacecast (ptr addrspace(3) @var to ptr), %bb0 ], [ addrspacecast (ptr addrspace(3) @var to ptr), %bb1 ] 41 br label %return 42 43return: 44 ret void 45} 46