1 ; Test the ASan's stack layout. 2 ; More tests in tests/Transforms/Utils/ASanStackFrameLayoutTest.cpp 3 ; RUN: opt < %s -asan -asan-module -S | FileCheck %s 4 5 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 6 target triple = "x86_64-unknown-linux-gnu" 7 8 declare void @Use(i8*) 9 10 ; CHECK: private unnamed_addr constant{{.*}}3 32 10 3 XXX 64 20 3 YYY 128 30 3 ZZZ 11 ; CHECK: private unnamed_addr constant{{.*}}3 32 5 3 AAA 64 55 3 BBB 160 555 3 CCC 12 ; CHECK: private unnamed_addr constant{{.*}}3 256 128 3 CCC 448 128 3 BBB 608 128 3 AAA 13 14 define void @Func1() sanitize_address { 15 entry: 16 ; CHECK-LABEL: Func1 17 ; CHECK: alloca [192 x i8] 18 ; CHECK-NOT: alloca 19 ; CHECK: ret void 20 %XXX = alloca [10 x i8], align 1 21 %YYY = alloca [20 x i8], align 1 22 %ZZZ = alloca [30 x i8], align 1 23 ret void 24 } 25 26 define void @Func2() sanitize_address { 27 entry: 28 ; CHECK-LABEL: Func2 29 ; CHECK: alloca [864 x i8] 30 ; CHECK-NOT: alloca 31 ; CHECK: ret void 32 %AAA = alloca [5 x i8], align 1 33 %BBB = alloca [55 x i8], align 1 34 %CCC = alloca [555 x i8], align 1 35 ret void 36 } 37 38 ; Check that we reorder vars according to alignment and handle large alignments. 39 define void @Func3() sanitize_address { 40 entry: 41 ; CHECK-LABEL: Func3 42 ; CHECK: alloca [768 x i8] 43 ; CHECK-NOT: alloca 44 ; CHECK: ret void 45 %AAA = alloca [128 x i8], align 16 46 %BBB = alloca [128 x i8], align 64 47 %CCC = alloca [128 x i8], align 256 48 ret void 49 } 50
