File: byval.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (18 lines) | stat: -rw-r--r-- 717 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: opt < %s -aa-pipeline=basic-aa -passes=gvn -S | FileCheck %s
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 = "i686-apple-darwin8"
	%struct.x = type { i32, i32, i32, i32 }
@g = weak global i32 0		; <ptr> [#uses=1]

define i32 @foo(ptr byval(%struct.x) %a) nounwind  {
; CHECK: ret i32 1
  %tmp1 = tail call i32 (...) @bar( ptr %a ) nounwind 		; <i32> [#uses=0]
  %tmp2 = getelementptr %struct.x, ptr %a, i32 0, i32 0		; <ptr> [#uses=2]
  store i32 1, ptr %tmp2, align 4
  store i32 2, ptr @g, align 4
  %tmp4 = load i32, ptr %tmp2, align 4		; <i32> [#uses=1]
  ret i32 %tmp4
}

declare i32 @bar(...)