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llvm-mirror/test/Transforms/InstCombine/alloca-big.ll

17 lines
673 B
LLVM

; 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=5223
define void @test_bigalloc() {
; CHECK-LABEL: @test_bigalloc(
; CHECK-NEXT: [[TMP1:%.*]] = alloca [18446744069414584320 x i8], align 1
; CHECK-NEXT: [[DOTSUB:%.*]] = getelementptr inbounds [18446744069414584320 x i8], [18446744069414584320 x i8]* [[TMP1]], i64 0, i64 0
; CHECK-NEXT: store i8* [[DOTSUB]], i8** undef, align 8
; CHECK-NEXT: ret void
;
%1 = alloca i8, i864 -4294967296
%2 = getelementptr i8, i8* %1, i1 undef
store i8* %2, i8** undef
ret void
}