File: 2008-01-06-BitCastAttributes.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (30 lines) | stat: -rw-r--r-- 834 bytes parent folder | download | duplicates (24) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
; Ignore stderr, we expect warnings there
; RUN: opt < %s -instcombine 2> /dev/null -S | FileCheck %s

; CHECK-NOT: bitcast

define void @a() {
  ret void
}

define signext i32 @b(i32* inreg  %x)   {
  ret i32 0
}

define void @c(...) {
  ret void
}

define void @g(i32* %y) {
; CHECK-LABEL: @g(
; CHECK: call i64 bitcast (i32 (i32*)* @b to i64 (i32)*)(i32 0)
	%x = call i64 bitcast (i32 (i32*)* @b to i64 (i32)*)( i32 0 )		; <i64> [#uses=0]

; The rest should not have bitcasts remaining
; CHECK-NOT: bitcast
  call void bitcast (void ()* @a to void (i32*)*)( i32* noalias  %y )
  call <2 x i32> bitcast (i32 (i32*)* @b to <2 x i32> (i32*)*)( i32* inreg  null )		; <<2 x i32>>:1 [#uses=0]
  call void bitcast (void (...)* @c to void (i32)*)( i32 0 )
  call void bitcast (void (...)* @c to void (i32)*)( i32 zeroext  0 )
  ret void
}