forked from OSchip/llvm-project
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
|
|
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
|
|
|
|
void *my_aligned_alloc(int size, int alignment) __attribute__((assume_aligned(32), alloc_align(2)));
|
|
|
|
// CHECK-LABEL: @t0_immediate0(
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: [[CALL:%.*]] = call align 32 i8* @my_aligned_alloc(i32 320, i32 16)
|
|
// CHECK-NEXT: ret i8* [[CALL]]
|
|
//
|
|
void *t0_immediate0() {
|
|
return my_aligned_alloc(320, 16);
|
|
};
|
|
|
|
// CHECK-LABEL: @t1_immediate1(
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: [[CALL:%.*]] = call align 32 i8* @my_aligned_alloc(i32 320, i32 32)
|
|
// CHECK-NEXT: ret i8* [[CALL]]
|
|
//
|
|
void *t1_immediate1() {
|
|
return my_aligned_alloc(320, 32);
|
|
};
|
|
|
|
// CHECK-LABEL: @t2_immediate2(
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: [[CALL:%.*]] = call align 64 i8* @my_aligned_alloc(i32 320, i32 64)
|
|
// CHECK-NEXT: ret i8* [[CALL]]
|
|
//
|
|
void *t2_immediate2() {
|
|
return my_aligned_alloc(320, 64);
|
|
};
|
|
|
|
// CHECK-LABEL: @t3_variable(
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: [[ALIGNMENT_ADDR:%.*]] = alloca i32, align 4
|
|
// CHECK-NEXT: store i32 [[ALIGNMENT:%.*]], i32* [[ALIGNMENT_ADDR]], align 4
|
|
// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ALIGNMENT_ADDR]], align 4
|
|
// CHECK-NEXT: [[CALL:%.*]] = call align 32 i8* @my_aligned_alloc(i32 320, i32 [[TMP0]])
|
|
// CHECK-NEXT: [[ALIGNMENTCAST:%.*]] = zext i32 [[TMP0]] to i64
|
|
// CHECK-NEXT: [[MASK:%.*]] = sub i64 [[ALIGNMENTCAST]], 1
|
|
// CHECK-NEXT: [[PTRINT:%.*]] = ptrtoint i8* [[CALL]] to i64
|
|
// CHECK-NEXT: [[MASKEDPTR:%.*]] = and i64 [[PTRINT]], [[MASK]]
|
|
// CHECK-NEXT: [[MASKCOND:%.*]] = icmp eq i64 [[MASKEDPTR]], 0
|
|
// CHECK-NEXT: call void @llvm.assume(i1 [[MASKCOND]])
|
|
// CHECK-NEXT: ret i8* [[CALL]]
|
|
//
|
|
void *t3_variable(int alignment) {
|
|
return my_aligned_alloc(320, alignment);
|
|
};
|