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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
%i32x2 = type { [2 x i32] }
; Note %arr is the union
; union {
; int i[2];
; short s[4];
; };
define i16 @with_lifetime(i32 %a, i32 %b) #0 {
; CHECK-LABEL: @with_lifetime(
; CHECK-NEXT: [[ARR_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i32 [[A:%.*]] to i16
; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[B:%.*]] to i16
; CHECK-NEXT: [[RET:%.*]] = add i16 [[ARR_SROA_0_0_EXTRACT_TRUNC]], [[ARR_SROA_4_4_EXTRACT_TRUNC]]
; CHECK-NEXT: ret i16 [[RET]]
;
%arr = alloca %i32x2, align 4
call void @llvm.lifetime.start.p0(i64 8, ptr %arr)
%p1 = getelementptr inbounds %i32x2, ptr %arr, i64 0, i32 0, i32 1
store i32 %a, ptr %arr, align 4
store i32 %b, ptr %p1, align 4
%s0 = load i16, ptr %arr, align 4
%s2 = load i16, ptr %p1, align 4
%ret = add i16 %s0, %s2
call void @llvm.lifetime.end.p0(i64 8, ptr %arr)
ret i16 %ret
}
define i16 @no_lifetime(i32 %a, i32 %b) #0 {
; CHECK-LABEL: @no_lifetime(
; CHECK-NEXT: [[ARR_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i32 [[A:%.*]] to i16
; CHECK-NEXT: [[ARR_SROA_2_0_EXTRACT_SHIFT:%.*]] = lshr i32 [[A]], 16
; CHECK-NEXT: [[ARR_SROA_2_0_EXTRACT_TRUNC:%.*]] = trunc i32 [[ARR_SROA_2_0_EXTRACT_SHIFT]] to i16
; CHECK-NEXT: [[ARR_SROA_21_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[B:%.*]] to i16
; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_SHIFT:%.*]] = lshr i32 [[B]], 16
; CHECK-NEXT: [[ARR_SROA_4_4_EXTRACT_TRUNC:%.*]] = trunc i32 [[ARR_SROA_4_4_EXTRACT_SHIFT]] to i16
; CHECK-NEXT: [[RET:%.*]] = add i16 [[ARR_SROA_0_0_EXTRACT_TRUNC]], [[ARR_SROA_21_4_EXTRACT_TRUNC]]
; CHECK-NEXT: ret i16 [[RET]]
;
%arr = alloca %i32x2, align 4
%p1 = getelementptr inbounds %i32x2, ptr %arr, i64 0, i32 0, i32 1
store i32 %a, ptr %arr, align 4
store i32 %b, ptr %p1, align 4
%s0 = load i16, ptr %arr, align 4
%s2 = load i16, ptr %p1, align 4
%ret = add i16 %s0, %s2
ret i16 %ret
}
declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1
declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1
attributes #0 = { alwaysinline nounwind }
attributes #1 = { argmemonly nounwind }
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK-MODIFY-CFG: {{.*}}
; CHECK-PRESERVE-CFG: {{.*}}
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