b107a22afb
The X86 clang/test/CodeGen/*builtins.c tests define the mm_malloc.h include guard as a hack for avoiding its inclusion (mm_malloc.h requires a hosted environment since it expects stdlib.h to be available - which is not the case in these internal clang codegen tests). This patch removes this hack and instead passes -ffreestanding to clang cc1. Differential Revision: https://reviews.llvm.org/D24825 llvm-svn: 282581
18 lines
501 B
C
18 lines
501 B
C
// RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
|
|
|
|
#include <immintrin.h>
|
|
|
|
int test_bit_scan_forward(int a) {
|
|
return _bit_scan_forward(a);
|
|
// CHECK: @test_bit_scan_forward
|
|
// CHECK: %[[call:.*]] = call i32 @llvm.cttz.i32(
|
|
// CHECK: ret i32 %[[call]]
|
|
}
|
|
|
|
int test_bit_scan_reverse(int a) {
|
|
return _bit_scan_reverse(a);
|
|
// CHECK: %[[call:.*]] = call i32 @llvm.ctlz.i32(
|
|
// CHECK: %[[sub:.*]] = sub nsw i32 31, %[[call]]
|
|
// CHECK: ret i32 %[[sub]]
|
|
}
|