File: thumb2-ifcvt2.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (93 lines) | stat: -rw-r--r-- 2,452 bytes parent folder | download | duplicates (12)
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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
; RUN: llc < %s -mtriple=thumbv7-apple-ios -arm-atomic-cfg-tidy=0 | FileCheck %s
; RUN: llc < %s -mtriple=thumbv7-apple-ios -arm-atomic-cfg-tidy=0 -arm-default-it | FileCheck %s
; RUN: llc < %s -mtriple=thumbv8-apple-ios -arm-atomic-cfg-tidy=0 | FileCheck %s

define void @foo(i32 %X, i32 %Y) {
entry:
; CHECK-LABEL: foo:
; CHECK: it ne
; CHECK: cmpne
; CHECK: it hi
; CHECK: bxhi lr
	%tmp1 = icmp ult i32 %X, 4		; <i1> [#uses=1]
	%tmp4 = icmp eq i32 %Y, 0		; <i1> [#uses=1]
	%tmp7 = or i1 %tmp4, %tmp1		; <i1> [#uses=1]
	br i1 %tmp7, label %cond_true, label %UnifiedReturnBlock

cond_true:		; preds = %entry
	%tmp10 = call i32 (...) @bar( )		; <i32> [#uses=0]
	ret void

UnifiedReturnBlock:		; preds = %entry
	ret void
}

declare i32 @bar(...)

; FIXME: Need post-ifcvt branch folding to get rid of the extra br at end of BB1.

	%struct.quad_struct = type { i32, i32, ptr, ptr, ptr, ptr, ptr }

define fastcc i32 @CountTree(ptr %tree) {
entry:
; CHECK-LABEL: CountTree:
; CHECK: bne
; CHECK: cmp
; CHECK: it eq
; CHECK: cmpeq
	br label %tailrecurse

tailrecurse:		; preds = %bb, %entry
	%tmp6 = load ptr, ptr null		; <ptr> [#uses=1]
	%tmp9 = load ptr, ptr null		; <ptr> [#uses=2]
	%tmp12 = load ptr, ptr null		; <ptr> [#uses=1]
	%tmp14 = icmp eq ptr null, null		; <i1> [#uses=1]
	%tmp17 = icmp eq ptr %tmp6, null		; <i1> [#uses=1]
	%tmp23 = icmp eq ptr %tmp9, null		; <i1> [#uses=1]
	%tmp29 = icmp eq ptr %tmp12, null		; <i1> [#uses=1]
	%bothcond = and i1 %tmp17, %tmp14		; <i1> [#uses=1]
	%bothcond1 = and i1 %bothcond, %tmp23		; <i1> [#uses=1]
	%bothcond2 = and i1 %bothcond1, %tmp29		; <i1> [#uses=1]
	br i1 %bothcond2, label %return, label %bb

bb:		; preds = %tailrecurse
	%tmp41 = tail call fastcc i32 @CountTree( ptr %tmp9 )		; <i32> [#uses=0]
	br label %tailrecurse

return:		; preds = %tailrecurse
	ret i32 0
}

	%struct.SString = type { ptr, i32, i32 }

declare void @abort()

define fastcc void @t1(ptr %word, i8 signext  %c) {
entry:
; CHECK-LABEL: t1:
; CHECK: it ne
; CHECK: bxne lr
	%tmp1 = icmp eq ptr %word, null		; <i1> [#uses=1]
	br i1 %tmp1, label %cond_true, label %cond_false

cond_true:		; preds = %entry
	tail call void @abort( )
	ret void

cond_false:		; preds = %entry
	ret void
}

define fastcc void @t2() nounwind {
entry:
; CHECK-LABEL: t2:
; CHECK: cmp r0, #0
; CHECK: trap
	br i1 undef, label %bb.i.i3, label %growMapping.exit

bb.i.i3:		; preds = %entry
	unreachable

growMapping.exit:		; preds = %entry
	unreachable
}