File: fast-isel-tailcall.ll

package info (click to toggle)
llvm-2.9 2.9%2Bdfsg-7
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 69,236 kB
  • sloc: cpp: 439,289; ansic: 16,211; asm: 13,295; sh: 12,912; python: 4,459; ml: 4,274; perl: 2,093; makefile: 1,808; pascal: 1,481; exp: 427; objc: 334; xml: 283; ada: 235; lisp: 187; csh: 117; f90: 36
file content (13 lines) | stat: -rw-r--r-- 499 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
; RUN: llc < %s -fast-isel -tailcallopt -march=x86 | not grep add
; PR4154

; On x86, -tailcallopt changes the ABI so the caller shouldn't readjust
; the stack pointer after the call in this code.

define i32 @stub(i8* %t0) nounwind {
entry:
        %t1 = load i32* inttoptr (i32 139708680 to i32*)         ; <i32> [#uses=1]
        %t2 = bitcast i8* %t0 to i32 (i32)*               ; <i32 (i32)*> [#uses=1]
        %t3 = call fastcc i32 %t2(i32 %t1)         ; <i32> [#uses=1]
        ret i32 %t3
}