File: pr28879.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (32 lines) | stat: -rw-r--r-- 674 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
 
; RUN: opt -passes=gvn <%s -S -o - | FileCheck %s

define void @f() {
entry:
  %a = alloca <7 x i1>, align 2
  store <7 x i1> undef, ptr %a, align 2
; CHECK: store <7 x i1> undef, ptr
  %val = load i1, ptr %a, align 2
; CHECK: load i1, ptr
  br i1 %val, label %cond.true, label %cond.false

cond.true:
  ret void

cond.false:
  ret void
}

define <7 x i1> @g(ptr %a) {
entry:
  %vec = load <7 x i1>, ptr %a
; CHECK: load <7 x i1>, ptr
  %val = load i1, ptr %a, align 2
; CHECK: load i1, ptr
  br i1 %val, label %cond.true, label %cond.false

cond.true:
  ret <7 x i1> %vec

cond.false:
  ret <7 x i1> <i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>
}