1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
2 // RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
3 
4 void *my_aligned_alloc(int size, int alignment) __attribute__((assume_aligned(32), alloc_align(2)));
5 
6 // CHECK-LABEL: @t0_immediate0(
7 // CHECK-NEXT:  entry:
8 // CHECK-NEXT:    [[CALL:%.*]] = call align 32 i8* @my_aligned_alloc(i32 noundef 320, i32 noundef 16)
9 // CHECK-NEXT:    ret i8* [[CALL]]
10 //
11 void *t0_immediate0(void) {
12   return my_aligned_alloc(320, 16);
13 };
14 
15 // CHECK-LABEL: @t1_immediate1(
16 // CHECK-NEXT:  entry:
17 // CHECK-NEXT:    [[CALL:%.*]] = call align 32 i8* @my_aligned_alloc(i32 noundef 320, i32 noundef 32)
18 // CHECK-NEXT:    ret i8* [[CALL]]
19 //
20 void *t1_immediate1(void) {
21   return my_aligned_alloc(320, 32);
22 };
23 
24 // CHECK-LABEL: @t2_immediate2(
25 // CHECK-NEXT:  entry:
26 // CHECK-NEXT:    [[CALL:%.*]] = call align 64 i8* @my_aligned_alloc(i32 noundef 320, i32 noundef 64)
27 // CHECK-NEXT:    ret i8* [[CALL]]
28 //
29 void *t2_immediate2(void) {
30   return my_aligned_alloc(320, 64);
31 };
32 
33 // CHECK-LABEL: @t3_variable(
34 // CHECK-NEXT:  entry:
35 // CHECK-NEXT:    [[ALIGNMENT_ADDR:%.*]] = alloca i32, align 4
36 // CHECK-NEXT:    store i32 [[ALIGNMENT:%.*]], i32* [[ALIGNMENT_ADDR]], align 4
37 // CHECK-NEXT:    [[TMP0:%.*]] = load i32, i32* [[ALIGNMENT_ADDR]], align 4
38 // CHECK-NEXT:    [[CALL:%.*]] = call align 32 i8* @my_aligned_alloc(i32 noundef 320, i32 noundef [[TMP0]])
39 // CHECK-NEXT:    [[CASTED_ALIGN:%.*]] = zext i32 [[TMP0]] to i64
40 // CHECK-NEXT:    call void @llvm.assume(i1 true) [ "align"(i8* [[CALL]], i64 [[CASTED_ALIGN]]) ]
41 // CHECK-NEXT:    ret i8* [[CALL]]
42 //
43 void *t3_variable(int alignment) {
44   return my_aligned_alloc(320, alignment);
45 };
46