File: returned.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 (30 lines) | stat: -rw-r--r-- 721 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
29
30
; RUN: opt -instsimplify -S < %s | FileCheck %s

define i1 @bitcast() {
; CHECK-LABEL: @bitcast(
  %a = alloca i32
  %b = alloca i64
  %x = bitcast i32* %a to i8*
  %z = bitcast i64* %b to i8*
  %y = call i8* @func1(i8* %z)
  %cmp = icmp eq i8* %x, %y
  ret i1 %cmp
; CHECK-NEXT: ret i1 false
}

%gept = type { i32, i32 }

define i1 @gep3() {
; CHECK-LABEL: @gep3(
  %x = alloca %gept, align 8
  %a = getelementptr %gept, %gept* %x, i64 0, i32 0
  %y = call %gept* @func2(%gept* %x)
  %b = getelementptr %gept, %gept* %y, i64 0, i32 1
  %equal = icmp eq i32* %a, %b
  ret i1 %equal
; CHECK-NEXT: ret i1 false
}

declare i8* @func1(i8* returned) nounwind readnone
declare %gept* @func2(%gept* returned) nounwind readnone