File: fast-isel-tailcall.ll

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5.2-3~bpo8%2B2
  • links: PTS, VCS
  • area: main
  • in suites: jessie-backports
  • size: 283,276 kB
  • sloc: cpp: 1,884,580; ansic: 310,787; objc: 86,612; python: 79,608; asm: 65,866; sh: 9,829; makefile: 6,068; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (14 lines) | stat: -rw-r--r-- 516 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; RUN: llc < %s -fast-isel -tailcallopt -march=x86 | FileCheck %s
; CHECK-NOT: 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
}