1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG 3; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG 4 5target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64" 6 7define { i32, i32 } @test0(i32 %x, i32 %y, { i32, i32 } %v) { 8; CHECK-LABEL: @test0( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: [[V_FCA_0_EXTRACT:%.*]] = extractvalue { i32, i32 } [[V:%.*]], 0 11; CHECK-NEXT: [[V_FCA_1_EXTRACT:%.*]] = extractvalue { i32, i32 } [[V]], 1 12; CHECK-NEXT: [[RESULT_FCA_0_INSERT:%.*]] = insertvalue { i32, i32 } poison, i32 [[X:%.*]], 0 13; CHECK-NEXT: [[RESULT_FCA_1_INSERT:%.*]] = insertvalue { i32, i32 } [[RESULT_FCA_0_INSERT]], i32 [[Y:%.*]], 1 14; CHECK-NEXT: ret { i32, i32 } [[RESULT_FCA_1_INSERT]] 15; 16entry: 17 %a = alloca { i32, i32 } 18 19 store { i32, i32 } %v, ptr %a 20 21 %gep1 = getelementptr inbounds { i32, i32 }, ptr %a, i32 0, i32 0 22 store i32 %x, ptr %gep1 23 %gep2 = getelementptr inbounds { i32, i32 }, ptr %a, i32 0, i32 1 24 store i32 %y, ptr %gep2 25 26 %result = load { i32, i32 }, ptr %a 27 ret { i32, i32 } %result 28} 29 30define { i32, i32 } @test1(i32 %x, i32 %y) { 31; FIXME: This may be too conservative. Duncan argues that we are allowed to 32; split the volatile load and store here but must produce volatile scalar loads 33; and stores from them. 34; CHECK-LABEL: @test1( 35; CHECK-NEXT: entry: 36; CHECK-NEXT: [[A:%.*]] = alloca { i32, i32 }, align 8 37; CHECK-NEXT: [[B:%.*]] = alloca { i32, i32 }, align 8 38; CHECK-NEXT: store i32 [[X:%.*]], ptr [[A]], align 8 39; CHECK-NEXT: [[A_4_GEP2_SROA_IDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 4 40; CHECK-NEXT: store i32 [[Y:%.*]], ptr [[A_4_GEP2_SROA_IDX]], align 4 41; CHECK-NEXT: [[A_0_RESULT:%.*]] = load volatile { i32, i32 }, ptr [[A]], align 8 42; CHECK-NEXT: store volatile { i32, i32 } [[A_0_RESULT]], ptr [[B]], align 8 43; CHECK-NEXT: ret { i32, i32 } [[A_0_RESULT]] 44; 45entry: 46 %a = alloca { i32, i32 } 47 %b = alloca { i32, i32 } 48 49 %gep1 = getelementptr inbounds { i32, i32 }, ptr %a, i32 0, i32 0 50 store i32 %x, ptr %gep1 51 %gep2 = getelementptr inbounds { i32, i32 }, ptr %a, i32 0, i32 1 52 store i32 %y, ptr %gep2 53 54 %result = load volatile { i32, i32 }, ptr %a 55 store volatile { i32, i32 } %result, ptr %b 56 ret { i32, i32 } %result 57} 58;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: 59; CHECK-MODIFY-CFG: {{.*}} 60; CHECK-PRESERVE-CFG: {{.*}} 61