File: regparm.c

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (27 lines) | stat: -rw-r--r-- 720 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s

#define FASTCALL __attribute__((regparm(2)))

typedef struct {
  int aaa;
  double bbbb;
  int ccc[200];
} foo;

typedef void (*FType)(int, int)      __attribute ((regparm (3), stdcall));
FType bar;

extern void FASTCALL reduced(char b, double c, foo* d, double e, int f);

// PR7025
void FASTCALL f1(int i, int j, int k);
// CHECK-LABEL: define void @f1(i32 inreg %i, i32 inreg %j, i32 %k)
void f1(int i, int j, int k) { }

int
main(void) {
  // CHECK: call void @reduced(i8 inreg signext 0, {{.*}} %struct.foo* inreg null
  reduced(0, 0.0, 0, 0.0, 0);
  // CHECK: call x86_stdcallcc void {{.*}}(i32 inreg 1, i32 inreg 2)
  bar(1,2);
}