24 lines
832 B
LLVM
24 lines
832 B
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt -gvn -S %s | FileCheck %s
|
||
|
|
|
||
|
|
; Reduced test case from
|
||
|
|
; https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24278
|
||
|
|
|
||
|
|
; Make sure we do not crash when dealing with a vector constant expression.
|
||
|
|
define <4 x i64*> @test(i64* %ptr) {
|
||
|
|
; CHECK-LABEL: @test(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: ret <4 x i64*> getelementptr (i64, i64* null, <4 x i64> <i64 0, i64 0, i64 0, i64 -128>)
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%B9 = sdiv i16 -32768, 256
|
||
|
|
%L3 = load i64, i64* %ptr, align 4
|
||
|
|
%B3 = sub i16 0, %B9
|
||
|
|
%0 = insertelement <4 x i16> undef, i16 %B3, i32 3
|
||
|
|
%1 = sub <4 x i16> zeroinitializer, %0
|
||
|
|
%2 = sext <4 x i16> %1 to <4 x i32>
|
||
|
|
%3 = getelementptr inbounds i64, i64* null, <4 x i32> %2
|
||
|
|
%I6 = insertelement <4 x i64*> %3, i64* undef, i64 %L3
|
||
|
|
ret <4 x i64*> %I6
|
||
|
|
}
|