llvm/test/Transforms/ArgumentPromotion/allocsize.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --version 3
; RUN: opt -S -passes=argpromotion < %s | FileCheck %s

declare ptr @malloc(i64)
declare ptr @calloc(i64, i64)

define internal ptr @my_alloc1(i64 %unchanged, ptr %unused, i64 %size, ptr %unused2) allocsize(2) {
; CHECK: Function Attrs: allocsize(1)
; CHECK-LABEL: define internal ptr @my_alloc1(
; CHECK-SAME: i64 [[UNCHANGED:%.*]], i64 [[SIZE:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:    [[PTR:%.*]] = call ptr @malloc(i64 [[SIZE]])
; CHECK-NEXT:    ret ptr [[PTR]]
;
  %ptr = call ptr @malloc(i64 %size)
  ret ptr %ptr
}

define internal ptr @my_alloc2(i64 %unchanged, ptr %unused, i64 %size, i64 %size2, ptr %unused2) allocsize(2,3) {
; CHECK: Function Attrs: allocsize(1,2)
; CHECK-LABEL: define internal ptr @my_alloc2(
; CHECK-SAME: i64 [[UNCHANGED:%.*]], i64 [[SIZE:%.*]], i64 [[SIZE2:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT:    [[PTR:%.*]] = call ptr @calloc(i64 [[SIZE]], i64 [[SIZE2]])
; CHECK-NEXT:    ret ptr [[PTR]]
;
  %ptr = call ptr @calloc(i64 %size, i64 %size2)
  ret ptr %ptr
}

define internal ptr @my_alloc3(i64 %unchanged, ptr %promoted, ptr %promoted2, i64 %size) allocsize(3) {
; CHECK: Function Attrs: allocsize(5)
; CHECK-LABEL: define internal ptr @my_alloc3(
; CHECK-SAME: i64 [[UNCHANGED:%.*]], i32 [[PROMOTED_0_VAL:%.*]], i32 [[PROMOTED_4_VAL:%.*]], i32 [[PROMOTED2_0_VAL:%.*]], i32 [[PROMOTED2_4_VAL:%.*]], i64 [[SIZE:%.*]]) #[[ATTR2:[0-9]+]] {
; CHECK-NEXT:    [[PTR:%.*]] = call ptr @malloc(i64 [[SIZE]])
; CHECK-NEXT:    ret ptr [[PTR]]
;
  load i32, ptr %promoted
  %promoted.gep1 = getelementptr i8, ptr %promoted, i64 4
  load i32, ptr %promoted.gep1

  load i32, ptr %promoted2
  %promoted2.gep1 = getelementptr i8, ptr %promoted2, i64 4
  load i32, ptr %promoted2.gep1

  %ptr = call ptr @malloc(i64 %size)
  ret ptr %ptr
}

define internal ptr @my_alloc4(i64 %unchanged, ptr %promoted, ptr %promoted2, i64 %size, i64 %size2) allocsize(3,4) {
; CHECK: Function Attrs: allocsize(5,6)
; CHECK-LABEL: define internal ptr @my_alloc4(
; CHECK-SAME: i64 [[UNCHANGED:%.*]], i32 [[PROMOTED_0_VAL:%.*]], i32 [[PROMOTED_4_VAL:%.*]], i32 [[PROMOTED2_0_VAL:%.*]], i32 [[PROMOTED2_4_VAL:%.*]], i64 [[SIZE:%.*]], i64 [[SIZE2:%.*]]) #[[ATTR3:[0-9]+]] {
; CHECK-NEXT:    [[PTR:%.*]] = call ptr @calloc(i64 [[SIZE]], i64 [[SIZE2]])
; CHECK-NEXT:    ret ptr [[PTR]]
;
  load i32, ptr %promoted
  %promoted.gep1 = getelementptr i8, ptr %promoted, i64 4
  load i32, ptr %promoted.gep1

  load i32, ptr %promoted2
  %promoted2.gep1 = getelementptr i8, ptr %promoted2, i64 4
  load i32, ptr %promoted2.gep1

  %ptr = call ptr @calloc(i64 %size, i64 %size2)
  ret ptr %ptr
}

define void @call_my_alloc(ptr %arg, ptr %arg2) {
; CHECK-LABEL: define void @call_my_alloc(
; CHECK-SAME: ptr [[ARG:%.*]], ptr [[ARG2:%.*]]) {
; CHECK-NEXT:    [[TMP1:%.*]] = call ptr @my_alloc1(i64 0, i64 2)
; CHECK-NEXT:    [[TMP2:%.*]] = call ptr @my_alloc2(i64 0, i64 2, i64 2)
; CHECK-NEXT:    [[ARG_VAL:%.*]] = load i32, ptr [[ARG]], align 4
; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr i8, ptr [[ARG]], i64 4
; CHECK-NEXT:    [[ARG_VAL1:%.*]] = load i32, ptr [[TMP3]], align 4
; CHECK-NEXT:    [[ARG2_VAL:%.*]] = load i32, ptr [[ARG2]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr i8, ptr [[ARG2]], i64 4
; CHECK-NEXT:    [[ARG2_VAL2:%.*]] = load i32, ptr [[TMP4]], align 4
; CHECK-NEXT:    [[TMP5:%.*]] = call ptr @my_alloc3(i64 0, i32 [[ARG_VAL]], i32 [[ARG_VAL1]], i32 [[ARG2_VAL]], i32 [[ARG2_VAL2]], i64 2)
; CHECK-NEXT:    [[ARG_VAL3:%.*]] = load i32, ptr [[ARG]], align 4
; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr i8, ptr [[ARG]], i64 4
; CHECK-NEXT:    [[ARG_VAL4:%.*]] = load i32, ptr [[TMP6]], align 4
; CHECK-NEXT:    [[ARG2_VAL5:%.*]] = load i32, ptr [[ARG2]], align 4
; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr i8, ptr [[ARG2]], i64 4
; CHECK-NEXT:    [[ARG2_VAL6:%.*]] = load i32, ptr [[TMP7]], align 4
; CHECK-NEXT:    [[TMP8:%.*]] = call ptr @my_alloc4(i64 0, i32 [[ARG_VAL3]], i32 [[ARG_VAL4]], i32 [[ARG2_VAL5]], i32 [[ARG2_VAL6]], i64 2, i64 2)
; CHECK-NEXT:    ret void
;
  %ptr = call ptr @my_alloc1(i64 0, ptr null, i64 2, ptr null)
  %ptr2 = call ptr @my_alloc2(i64 0, ptr null, i64 2, i64 2, ptr null)
  %ptr3 = call ptr @my_alloc3(i64 0, ptr %arg, ptr %arg2, i64 2)
  %ptr4 = call ptr @my_alloc4(i64 0, ptr %arg, ptr %arg2, i64 2, i64 2)
  ret void
}