File: merge-func.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (64 lines) | stat: -rw-r--r-- 1,665 bytes parent folder | download | duplicates (20)
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
; RUN: opt -S -mergefunc < %s | FileCheck %s

; Minor note: functions need to be at least three instructions long
; to be considered by -mergefunc.

declare i32 @foo(...)

define i32 @f() {
; CHECK-LABEL: @f(
 entry:
  %v0 = call i32 (...) @foo(i32 10) [ "foo"(i32 20) ]
  %v1 = call i32 (...) @foo(i32 10) [ "foo"(i32 20) ]
  %v2 = call i32 (...) @foo(i32 10) [ "foo"(i32 20) ]

; CHECK:  %v0 = call i32 (...) @foo(i32 10) [ "foo"(i32 20) ]
; CHECK:  %v1 = call i32 (...) @foo(i32 10) [ "foo"(i32 20) ]
; CHECK:  %v2 = call i32 (...) @foo(i32 10) [ "foo"(i32 20) ]

  ret i32 %v2
}

define i32 @g() {
; CHECK-LABEL: @g(
 entry:
  %v0 = call i32 (...) @foo() [ "foo"(i32 10, i32 20) ]
  %v1 = call i32 (...) @foo() [ "foo"(i32 10, i32 20) ]
  %v2 = call i32 (...) @foo() [ "foo"(i32 10, i32 20) ]

; CHECK:  %v0 = call i32 (...) @foo() [ "foo"(i32 10, i32 20) ]
; CHECK:  %v1 = call i32 (...) @foo() [ "foo"(i32 10, i32 20) ]
; CHECK:  %v2 = call i32 (...) @foo() [ "foo"(i32 10, i32 20) ]

  ret i32 %v2
}

define i32 @f.invoke() personality i8 3 {
; CHECK-LABEL: @f.invoke(
 entry:
; CHECK: %v0 = invoke i32 (...) @foo(i32 10) [ "foo"(i32 20) ]
  %v0 = invoke i32 (...) @foo(i32 10) [ "foo"(i32 20) ]
    to label %normal unwind label %exception

 normal:
  ret i32 %v0

 exception:
  %cleanup = landingpad i8 cleanup
  ret i32 0
}

define i32 @g.invoke() personality i8 3 {
; CHECK-LABEL: @g.invoke(
 entry:
; CHECK: %v0 = invoke i32 (...) @foo() [ "foo"(i32 10, i32 20) ]
  %v0 = invoke i32 (...) @foo() [ "foo"(i32 10, i32 20) ]
    to label %normal unwind label %exception

 normal:
  ret i32 %v0

 exception:
  %cleanup = landingpad i8 cleanup
  ret i32 0
}