File: phi-shifts.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 (26 lines) | stat: -rw-r--r-- 781 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
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instcombine < %s | FileCheck %s

; OSS Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15217
define i64 @fuzz15217(i1 %cond, ptr %Ptr, i64 %Val) {
; CHECK-LABEL: @fuzz15217(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 [[COND:%.*]], label [[END:%.*]], label [[TWO:%.*]]
; CHECK:       two:
; CHECK-NEXT:    br label [[END]]
; CHECK:       end:
; CHECK-NEXT:    ret i64 poison
;
entry:
  br i1 %cond, label %end, label %two

two:
  br label %end

end:
  %tmp869.0 = phi i128 [ 0, %entry ], [ 18446744073709551616, %two ]
  %tmp29 = lshr i128 %tmp869.0, 64
  %B1 = lshr i128 %tmp29, 170141183460469231731687303715884105727
  %tmp30 = trunc i128 %B1 to i64
  ret i64 %tmp30
}