File: 2008-04-22-ByValBitcast.ll

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-8
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,060 kB
  • ctags: 428,777
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (15 lines) | stat: -rw-r--r-- 647 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
;; The bitcast cannot be eliminated because byval arguments need
;; the correct type, or at least a type of the correct size.
; RUN: opt < %s -instcombine -S | grep bitcast
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"
	%struct.NSRect = type { [4 x float] }

define void @foo(i8* %context) nounwind  {
entry:
	%tmp1 = bitcast i8* %context to %struct.NSRect*		; <%struct.NSRect*> [#uses=1]
	call void (i32, ...) @bar( i32 3, %struct.NSRect* byval align 4  %tmp1 ) nounwind 
	ret void
}

declare void @bar(i32, ...)