File: extract-block.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (43 lines) | stat: -rw-r--r-- 971 bytes parent folder | download | duplicates (23) 
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
 
; RUN: llvm-extract -S -bb foo:bb4 %s | FileCheck %s

; CHECK: declare void @bar()
define void @bar() {
bb:
  ret void
}

; CHECK-NOT: @unused()
define void @unused() {
bb:
  ret void
}

; CHECK: @foo.bb4
; CHECK: call void @bar()
; CHECK: %tmp5
define i32 @foo(i32 %arg) {
bb:
  %tmp = alloca i32, align 4
  %tmp1 = alloca i32, align 4
  store i32 %arg, ptr %tmp1, align 4
  %tmp2 = load i32, ptr %tmp1, align 4
  %tmp3 = icmp sgt i32 %tmp2, 0
  br i1 %tmp3, label %bb4, label %bb7

bb4:                                              ; preds = %bb
  call void @bar()
  %tmp5 = load i32, ptr %tmp1, align 4
  %tmp6 = add nsw i32 %tmp5, 1
  store i32 %tmp6, ptr %tmp1, align 4
  store i32 %tmp6, ptr %tmp, align 4
  br label %bb8

bb7:                                              ; preds = %bb
  store i32 0, ptr %tmp, align 4
  br label %bb8

bb8:                                              ; preds = %bb7, %bb4
  %tmp9 = load i32, ptr %tmp, align 4
  ret i32 %tmp9
}