tests_lit/asan_tests/realloc_shrink.ll - Issue 2148413003: Subzero: Instrumented realloc

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Side by Side Diff: tests_lit/asan_tests/realloc_shrink.ll

Issue 2148413003: Subzero: Instrumented realloc (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master

Patch Set: Added realloc test, fixed realloc redzones Created 4 years, 5 months ago

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	1 ; Test that shrinking an allocation updates the redzones

	2

	3 ; REQUIRES: no_minimal_build

	4

	5 ; RUN: llvm-as %s -o - \| pnacl-freeze > %t.pexe && %S/../../pydir/szbuild.py \

	6 ; RUN: --fsanitize-address --sz="-allow-externally-defined-symbols" \
	Jim Stichnoth 2016/07/21 01:42:09 You don't really need the double-quotes here. You don't really need the double-quotes here.
	7 ; RUN: %t.pexe -o %t && %t 2>&1 \| FileCheck %s

	8

	9

	10 declare external i32 @malloc(i32)

	11 declare external i32 @realloc(i32, i32)

	12 declare external void @free(i32)

	13

	14 define void @_start(i32 %arg) {

	15 %ptr16 = call i32 @malloc(i32 16)

	16 %off12a = add i32 %ptr16, 12

	17 %offptra = inttoptr i32 %off12a to i32*

	18 %resa = load i32, i32* %offptra, align 1

	19 %ptr8 = call i32 @realloc(i32 %ptr16, i32 8)

	20 %off12b = add i32 %ptr8, 12

	21 %offptrb = inttoptr i32 %off12b to i8*

	22 %resb = load i8, i8* %offptrb, align 1

	23 ret void

	24 }

	25

	26 ; CHECK: Illegal access of 1 bytes at
	Jim Stichnoth 2016/07/21 01:42:09 "1 bytes" :) (never mind...) "1 bytes" :) (never mind...)
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