File: comdat-ipo.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (28 lines) | stat: -rw-r--r-- 513 bytes parent folder | download | duplicates (11)
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
; RUN: opt < %s -ipsccp -S | FileCheck %s

; See PR26774

define i32 @baz() {
  ret i32 10
}

; We can const-prop @baz's return value *into* @foo, but cannot
; constprop @foo's return value into bar.

define linkonce_odr i32 @foo() {
; CHECK-LABEL: @foo(
; CHECK-NEXT:  %val = call i32 @baz()
; CHECK-NEXT:  ret i32 10

  %val = call i32 @baz()
  ret i32 %val
}

define i32 @bar() {
; CHECK-LABEL: @bar(
; CHECK-NEXT:  %val = call i32 @foo()
; CHECK-NEXT:  ret i32 %val

  %val = call i32 @foo()
  ret i32 %val
}