1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple x86_64-apple-darwin11 -mcpu corei7 -filetype=obj -o - | llvm-objdump -d -unwind-info -s - | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Regression test for http://llvm.org/bugs/show_bug.cgi?id=20800. 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; ModuleID = 'asan_report.ii' 5*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 6*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-macosx10.9.0" 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [3 x i8] c"=>\00", align 1 9*9880d681SAndroid Build Coastguard Worker@.str1 = private unnamed_addr constant [3 x i8] c" \00", align 1 10*9880d681SAndroid Build Coastguard Worker@.str2 = private unnamed_addr constant [6 x i8] c"%s%p:\00", align 1 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Worker; CHECK: ___asan_report_error: 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker; subq instruction starts at 0x0a, so the second byte of the compact encoding 15*9880d681SAndroid Build Coastguard Worker; (UNWIND_X86_64_FRAMELESS_STACK_SIZE in mach-o/compact_unwind_encoding.h) 16*9880d681SAndroid Build Coastguard Worker; must be 0x0d. 17*9880d681SAndroid Build Coastguard Worker; CHECK: {{a:.*subq.*%rsp}} 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker; CHECK: Contents of __compact_unwind section 20*9880d681SAndroid Build Coastguard Worker; CHECK: ___asan_report_error 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Worker; Because of incorrect push instruction size in X86AsmBackend.cpp the stack 23*9880d681SAndroid Build Coastguard Worker; size was also calculated incorrectly. 24*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: {{compact encoding:.*0x0309f800}} 25*9880d681SAndroid Build Coastguard Worker; CHECK: {{compact encoding:.*0x030df800}} 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerdefine void @__asan_report_error() #0 { 28*9880d681SAndroid Build Coastguard Worker %str.i = alloca i64, align 8 29*9880d681SAndroid Build Coastguard Worker %stack = alloca [256 x i64], align 8 30*9880d681SAndroid Build Coastguard Worker br label %print_shadow_bytes.exit.i 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerprint_shadow_bytes.exit.i: ; preds = %print_shadow_bytes.exit.i, %0 33*9880d681SAndroid Build Coastguard Worker %iv.i = phi i64 [ -5, %0 ], [ %iv.next.i, %print_shadow_bytes.exit.i ] 34*9880d681SAndroid Build Coastguard Worker %reg15 = icmp eq i64 %iv.i, 0 35*9880d681SAndroid Build Coastguard Worker %.str..str1.i = select i1 %reg15, [3 x i8]* @.str, [3 x i8]* @.str1 36*9880d681SAndroid Build Coastguard Worker %reg16 = getelementptr inbounds [3 x i8], [3 x i8]* %.str..str1.i, i64 0, i64 0 37*9880d681SAndroid Build Coastguard Worker %reg17 = shl i64 %iv.i, 1 38*9880d681SAndroid Build Coastguard Worker %reg19 = inttoptr i64 %reg17 to i8* 39*9880d681SAndroid Build Coastguard Worker call void (i64*, i8*, ...) @append(i64* %str.i, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str2, i64 0, i64 0), i8* %reg16, i8* %reg19) 40*9880d681SAndroid Build Coastguard Worker %iv.next.i = add nsw i64 %iv.i, 0 41*9880d681SAndroid Build Coastguard Worker br label %print_shadow_bytes.exit.i 42*9880d681SAndroid Build Coastguard Worker} 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard Workerdeclare void @append(i64*, i8*, ...) 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Workerattributes #0 = { "no-frame-pointer-elim"="false" } 47