File: pr59902.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (17 lines) | stat: -rw-r--r-- 557 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s

; This used to miscompile because foldCSELOfCSEL function
; doesn't check const x != y
define i1 @test() {
; CHECK-LABEL: test:
; CHECK:       // %bb.0:
; CHECK-NEXT:    mov w0, #1 // =0x1
; CHECK-NEXT:    ret
  %1 = select i1 false, i64 0, i64 9006649496829950
  %2 = call i64 @llvm.smax.i64(i64 %1, i64 9006649496829950)
  %3 = icmp eq i64 %2, 9006649496829950
  ret i1 %3
}

declare i64 @llvm.smax.i64(i64, i64)