File: dagcombine_crash.ll

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-8
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,060 kB
  • ctags: 428,777
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (25 lines) | stat: -rw-r--r-- 864 bytes parent folder | download | duplicates (37)
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
; RUN: llc -o - %s | FileCheck %s
; The selection DAG select(select()) normalisation crashed for different types
; on the condition inputs.
target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
target triple = "mips--"

; CHECK-LABEL: foobar
; CHECK: sltiu ${{[0-9]*}}, ${{[0-9]*}}, 42
; CHECK: sltiu ${{[0-9]*}}, ${{[0-9]*}}, 23
; CHECK: and ${{[0-9]*}}, ${{[0-9]*}}, ${{[0-9]*}}
; CHECK: sltu ${{[0-9]*}}, ${{[0-9]*}}, ${{[0-9]*}}
; CHECK: addiu ${{[0-9]*}}, ${{[0-9]*}}, -1
; CHECK: movn ${{[0-9]*}}, ${{[0-9]*}}, ${{[0-9]*}}
; CHECK: jr $ra
; CHECK: move ${{[0-9]*}}, ${{[0-9]*}}
define i64 @foobar(i32 %arg) #0 {
entry:
  %cmp0 = icmp ult i32 %arg, 23
  %cmp1 = icmp ult i32 %arg, 42
  %and = and i1 %cmp0, %cmp1
  %cmp2 = icmp ugt i32 %arg, 0
  %sext = sext i1 %cmp1 to i64
  %retval.0 = select i1 %and, i64 %sext, i64 0
  ret i64 %retval.0
}