File: fastcc-byval.ll

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (20 lines) | stat: -rw-r--r-- 646 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
; RUN: llvm-as < %s | llc -tailcallopt=false | grep {movl\[\[:space:\]\]*8(%esp), %eax} | count 2
; PR3122
; rdar://6400815

; byval requires a copy, even with fastcc.

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9.5"
	%struct.MVT = type { i32 }

define fastcc i32 @bar() nounwind {
	%V = alloca %struct.MVT
	%a = getelementptr %struct.MVT* %V, i32 0, i32 0
	store i32 1, i32* %a
	call fastcc void @foo(%struct.MVT* byval %V) nounwind
	%t = load i32* %a
	ret i32 %t
}

declare fastcc void @foo(%struct.MVT* byval)