1 ; Test asan internal compiler flags: 2 ; -asan-instrument-allocas=1 3 4 ; RUN: opt < %s -asan -asan-module -asan-instrument-allocas=1 -S | FileCheck %s --check-prefix=CHECK-ALLOCA 5 ; RUN: opt < %s -asan -asan-module -asan-instrument-allocas=0 -S | FileCheck %s --check-prefix=CHECK-NOALLOCA 6 ; RUN: opt < %s -asan -asan-module -S | FileCheck %s --check-prefix=CHECK-NOALLOCA 7 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" 8 target triple = "x86_64-unknown-linux-gnu" 9 10 define void @foo(i32 %len) sanitize_address { 11 entry: 12 ; CHECK-ALLOCA: store i32 -892679478 13 ; CHECK-ALLOCA: store i32 -875836469 14 ; CHECK-NOALLOCA-NOT: store i32 -892679478 15 ; CHECK-NOALLOCA-NOT: store i32 -875836469 16 %0 = alloca i32, align 4 17 %1 = alloca i8* 18 store volatile i32 %len, i32* %0, align 4 19 %2 = load i32, i32* %0, align 4 20 %3 = zext i32 %2 to i64 21 %4 = alloca i8, i64 %3, align 32 22 store volatile i8 0, i8* %4 23 ret void 24 } 25 26
