| ; RUN: opt < %s -asan -S -o %t.ll |
| ; RUN: FileCheck %s < %t.ll |
| |
| ; Don't do stack malloc on functions containing inline assembly on 64-bit |
| ; platforms. It makes LLVM run out of registers. |
| |
| ; CHECK-LABEL: define void @TestAbsenceOfStackMalloc(i8* %S, i32 %pS, i8* %D, i32 %pD, i32 %h) |
| ; CHECK: %MyAlloca |
| ; CHECK-NOT: call {{.*}} @__asan_stack_malloc |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.10.0" |
| |
| define void @TestAbsenceOfStackMalloc(i8* %S, i32 %pS, i8* %D, i32 %pD, i32 %h) #0 { |
| entry: |
| %S.addr = alloca i8*, align 8 |
| %pS.addr = alloca i32, align 4 |
| %D.addr = alloca i8*, align 8 |
| %pD.addr = alloca i32, align 4 |
| %h.addr = alloca i32, align 4 |
| %sr = alloca i32, align 4 |
| %pDiffD = alloca i32, align 4 |
| %pDiffS = alloca i32, align 4 |
| %flagSA = alloca i8, align 1 |
| %flagDA = alloca i8, align 1 |
| store i8* %S, i8** %S.addr, align 8 |
| store i32 %pS, i32* %pS.addr, align 4 |
| store i8* %D, i8** %D.addr, align 8 |
| store i32 %pD, i32* %pD.addr, align 4 |
| store i32 %h, i32* %h.addr, align 4 |
| store i32 4, i32* %sr, align 4 |
| %0 = load i32, i32* %pD.addr, align 4 |
| %sub = sub i32 %0, 5 |
| store i32 %sub, i32* %pDiffD, align 4 |
| %1 = load i32, i32* %pS.addr, align 4 |
| %shl = shl i32 %1, 1 |
| %sub1 = sub i32 %shl, 5 |
| store i32 %sub1, i32* %pDiffS, align 4 |
| %2 = load i32, i32* %pS.addr, align 4 |
| %and = and i32 %2, 15 |
| %cmp = icmp eq i32 %and, 0 |
| %conv = zext i1 %cmp to i32 |
| %conv2 = trunc i32 %conv to i8 |
| store i8 %conv2, i8* %flagSA, align 1 |
| %3 = load i32, i32* %pD.addr, align 4 |
| %and3 = and i32 %3, 15 |
| %cmp4 = icmp eq i32 %and3, 0 |
| %conv5 = zext i1 %cmp4 to i32 |
| %conv6 = trunc i32 %conv5 to i8 |
| store i8 %conv6, i8* %flagDA, align 1 |
| call void asm sideeffect "mov\09\09\09$0,\09\09\09\09\09\09\09\09\09\09%rsi\0Amov\09\09\09$2,\09\09\09\09\09\09\09\09\09\09%rcx\0Amov\09\09\09$1,\09\09\09\09\09\09\09\09\09\09%rdi\0Amov\09\09\09$8,\09\09\09\09\09\09\09\09\09\09%rax\0A", "*m,*m,*m,*m,*m,*m,*m,*m,*m,~{rsi},~{rdi},~{rax},~{rcx},~{rdx},~{memory},~{dirflag},~{fpsr},~{flags}"(i8** %S.addr, i8** %D.addr, i32* %pS.addr, i32* %pDiffS, i32* %pDiffD, i32* %sr, i8* %flagSA, i8* %flagDA, i32* %h.addr) #1 |
| ret void |
| } |
| |
| attributes #0 = { nounwind sanitize_address } |
| attributes #1 = { nounwind } |