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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG3; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG4 5%i32x2 = type { [2 x i32] }6 7; Note %arr is the union8; 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 i1616; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[B:%.*]] to i1617; 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 421 call void @llvm.lifetime.start.p0(ptr %arr)22 %p1 = getelementptr inbounds %i32x2, ptr %arr, i64 0, i32 0, i32 123 store i32 %a, ptr %arr, align 424 store i32 %b, ptr %p1, align 425 %s0 = load i16, ptr %arr, align 426 %s2 = load i16, ptr %p1, align 427 %ret = add i16 %s0, %s228 call void @llvm.lifetime.end.p0(ptr %arr)29 ret i16 %ret30}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 i1635; CHECK-NEXT: [[ARR_SROA_2_0_EXTRACT_SHIFT:%.*]] = lshr i32 [[A]], 1636; CHECK-NEXT: [[ARR_SROA_2_0_EXTRACT_TRUNC:%.*]] = trunc i32 [[ARR_SROA_2_0_EXTRACT_SHIFT]] to i1637; CHECK-NEXT: [[ARR_SROA_21_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[B:%.*]] to i1638; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_SHIFT:%.*]] = lshr i32 [[B]], 1639; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[ARR_SROA_4_4_EXTRACT_SHIFT]] to i1640; 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 444 %p1 = getelementptr inbounds %i32x2, ptr %arr, i64 0, i32 0, i32 145 store i32 %a, ptr %arr, align 446 store i32 %b, ptr %p1, align 447 %s0 = load i16, ptr %arr, align 448 %s2 = load i16, ptr %p1, align 449 %ret = add i16 %s0, %s250 ret i16 %ret51}52 53declare void @llvm.lifetime.start.p0(ptr nocapture) #154 55declare void @llvm.lifetime.end.p0(ptr nocapture) #156 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