File: regparm.c

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
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);
}