File: phi-shifts.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (26 lines) | stat: -rw-r--r-- 773 bytes parent folder | download | duplicates (2) 
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 -instcombine < %s | FileCheck %s

; OSS Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15217
define i64 @fuzz15217(i1 %cond, i8* %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 undef
;
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
}