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 5%i32x2 = type { [2 x i32] } 6 7; Note %arr is the union 8; union { 9; int i[2]; 10; short s[4]; 11; }; 12 13define i16 @with_lifetime(i32 %a, i32 %b) #0 { 14; CHECK-LABEL: @with_lifetime( 15; CHECK-NEXT: [[ARR_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i32 [[A:%.*]] to i16 16; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[B:%.*]] to i16 17; CHECK-NEXT: [[RET:%.*]] = add i16 [[ARR_SROA_0_0_EXTRACT_TRUNC]], [[ARR_SROA_4_4_EXTRACT_TRUNC]] 18; CHECK-NEXT: ret i16 [[RET]] 19; 20 %arr = alloca %i32x2, align 4 21 call void @llvm.lifetime.start.p0(i64 8, ptr %arr) 22 %p1 = getelementptr inbounds %i32x2, ptr %arr, i64 0, i32 0, i32 1 23 store i32 %a, ptr %arr, align 4 24 store i32 %b, ptr %p1, align 4 25 %s0 = load i16, ptr %arr, align 4 26 %s2 = load i16, ptr %p1, align 4 27 %ret = add i16 %s0, %s2 28 call void @llvm.lifetime.end.p0(i64 8, ptr %arr) 29 ret i16 %ret 30} 31 32define i16 @no_lifetime(i32 %a, i32 %b) #0 { 33; CHECK-LABEL: @no_lifetime( 34; CHECK-NEXT: [[ARR_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i32 [[A:%.*]] to i16 35; CHECK-NEXT: [[ARR_SROA_2_0_EXTRACT_SHIFT:%.*]] = lshr i32 [[A]], 16 36; CHECK-NEXT: [[ARR_SROA_2_0_EXTRACT_TRUNC:%.*]] = trunc i32 [[ARR_SROA_2_0_EXTRACT_SHIFT]] to i16 37; CHECK-NEXT: [[ARR_SROA_21_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[B:%.*]] to i16 38; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_SHIFT:%.*]] = lshr i32 [[B]], 16 39; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[ARR_SROA_4_4_EXTRACT_SHIFT]] to i16 40; CHECK-NEXT: [[RET:%.*]] = add i16 [[ARR_SROA_0_0_EXTRACT_TRUNC]], [[ARR_SROA_21_4_EXTRACT_TRUNC]] 41; CHECK-NEXT: ret i16 [[RET]] 42; 43 %arr = alloca %i32x2, align 4 44 %p1 = getelementptr inbounds %i32x2, ptr %arr, i64 0, i32 0, i32 1 45 store i32 %a, ptr %arr, align 4 46 store i32 %b, ptr %p1, align 4 47 %s0 = load i16, ptr %arr, align 4 48 %s2 = load i16, ptr %p1, align 4 49 %ret = add i16 %s0, %s2 50 ret i16 %ret 51} 52 53declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1 54 55declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1 56 57attributes #0 = { alwaysinline nounwind } 58attributes #1 = { argmemonly nounwind } 59;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: 60; CHECK-MODIFY-CFG: {{.*}} 61; CHECK-PRESERVE-CFG: {{.*}} 62