llvm-project/llvm/test/Transforms/InstCombine/phi-shifts.ll

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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -instcombine | 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 0
;
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
}