File: inline-asm-pic.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 (58 lines) | stat: -rw-r--r-- 1,700 bytes parent folder | download | duplicates (3)
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-apple-darwin -relocation-model=pic | FileCheck %s

@main_q = internal global i8* null		; <i8**> [#uses=1]

define void @func2() nounwind {
; CHECK-LABEL: func2:
; CHECK:       ## %bb.0: ## %entry
; CHECK-NEXT:    calll L0$pb
; CHECK-NEXT:  L0$pb:
; CHECK-NEXT:    popl %eax
; CHECK-NEXT:    leal _main_q-L0$pb(%eax), %eax
; CHECK-NEXT:    ## InlineAsm Start
; CHECK-NEXT:    movl %eax, %gs:152
; CHECK-NEXT:    ## InlineAsm End
; CHECK-NEXT:    retl
entry:
	tail call void asm "mov $1,%gs:$0", "=*m,ri,~{dirflag},~{fpsr},~{flags}"(i8** elementtype(i8*) inttoptr (i32 152 to i8**), i8* bitcast (i8** @main_q to i8*)) nounwind
	ret void
}

; The intent of this test is to ensure that we handle blockaddress' correctly
; with "i" constraints for -m32 -fPIC.

define void @x() {
; CHECK-LABEL: x:
; CHECK:       ## %bb.0:
; CHECK-NEXT:    ## InlineAsm Start
; CHECK-NEXT:    ## Ltmp0
; CHECK-EMPTY:
; CHECK-NEXT:    ## InlineAsm End
; CHECK-NEXT:  ## %bb.2: ## %return
; CHECK-NEXT:    retl
; CHECK-NEXT:  Ltmp0: ## Block address taken
; CHECK-NEXT:  LBB1_1: ## %overflow
; CHECK-NEXT:    retl
  callbr void asm "#  ${0:l}\0A", "i"(i8* blockaddress(@x, %overflow))
          to label %return [label %overflow]

overflow:
  br label %return

return:
  ret void
}

; Test unusual case of blockaddress from @x in @y's asm.
define void @y() {
; CHECK-LABEL: y:
; CHECK:       ## %bb.0:
; CHECK-NEXT:    ## InlineAsm Start
; CHECK-NEXT:    ## Ltmp0
; CHECK-EMPTY:
; CHECK-NEXT:    ## InlineAsm End
; CHECK-NEXT:    retl
  call void asm "# ${0:l}\0A", "i"(i8* blockaddress(@x, %overflow))
  ret void
}