mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-02-01 05:01:59 +01:00
c26308601a
Summary: Extract instrumenting dynamic allocas into separate method. Rename asan-instrument-allocas -> asan-instrument-dynamic-allocas Differential Revision: https://reviews.llvm.org/D23707 llvm-svn: 279376
41 lines
1.2 KiB
LLVM
41 lines
1.2 KiB
LLVM
; This test checks that non-instrumented allocas stay in the first basic block.
|
|
; Only first-basic-block allocas are considered stack slots, and moving them
|
|
; breaks debug info.
|
|
|
|
; RUN: opt < %s -asan -asan-module -S | FileCheck %s
|
|
; RUN: opt < %s -asan -asan-module -asan-instrument-dynamic-allocas -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.10.0"
|
|
|
|
define i32 @foo() sanitize_address {
|
|
entry:
|
|
; Won't be instrumented because of asan-skip-promotable-allocas.
|
|
%non_instrumented1 = alloca i32, align 4
|
|
|
|
; Regular alloca, will get instrumented (forced by the ptrtoint below).
|
|
%instrumented = alloca i32, align 4
|
|
|
|
; Won't be instrumented because of asan-skip-promotable-allocas.
|
|
%non_instrumented2 = alloca i32, align 4
|
|
|
|
br label %bb0
|
|
|
|
bb0:
|
|
; Won't be instrumented because of asan-skip-promotable-allocas.
|
|
%non_instrumented3 = alloca i32, align 4
|
|
|
|
%ptr = ptrtoint i32* %instrumented to i32
|
|
br label %bb1
|
|
|
|
bb1:
|
|
ret i32 %ptr
|
|
}
|
|
|
|
; CHECK: entry:
|
|
; CHECK: %non_instrumented1 = alloca i32, align 4
|
|
; CHECK: %non_instrumented2 = alloca i32, align 4
|
|
; CHECK: load i32, i32* @__asan_option_detect_stack_use_after_return
|
|
; CHECK: bb0:
|
|
; CHECK: %non_instrumented3 = alloca i32, align 4
|