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; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 -filetype=obj -o - | llvm-objdump -d -unwind-info -s - | FileCheck %s
; Regression test for http://llvm.org/bugs/show_bug.cgi?id=20800.
; ModuleID = 'asan_report.ii'
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.9.0"
@.str = private unnamed_addr constant [3 x i8] c"=>\00", align 1
@.str1 = private unnamed_addr constant [3 x i8] c" \00", align 1
@.str2 = private unnamed_addr constant [6 x i8] c"%s%p:\00", align 1
; CHECK: ___asan_report_error:
; subq instruction starts at 0x0a, so the second byte of the compact encoding
; (UNWIND_X86_64_FRAMELESS_STACK_SIZE in mach-o/compact_unwind_encoding.h)
; must be 0x0d.
; CHECK: {{a:.*subq.*%rsp}}
; CHECK: Contents of __compact_unwind section
; CHECK: ___asan_report_error
; Because of incorrect push instruction size in X86AsmBackend.cpp the stack
; size was also calculated incorrectly.
; CHECK-NOT: {{compact encoding:.*0x0309f800}}
; CHECK: {{compact encoding:.*0x030df800}}
define void @__asan_report_error() #0 {
%str.i = alloca i64, align 8
%stack = alloca [256 x i64], align 8
br label %print_shadow_bytes.exit.i
print_shadow_bytes.exit.i: ; preds = %print_shadow_bytes.exit.i, %0
%iv.i = phi i64 [ -5, %0 ], [ %iv.next.i, %print_shadow_bytes.exit.i ]
%reg15 = icmp eq i64 %iv.i, 0
%.str..str1.i = select i1 %reg15, [3 x i8]* @.str, [3 x i8]* @.str1
%reg16 = getelementptr inbounds [3 x i8], [3 x i8]* %.str..str1.i, i64 0, i64 0
%reg17 = shl i64 %iv.i, 1
%reg19 = inttoptr i64 %reg17 to i8*
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)
%iv.next.i = add nsw i64 %iv.i, 0
br label %print_shadow_bytes.exit.i
}
declare void @append(i64*, i8*, ...)
attributes #0 = { "no-frame-pointer-elim"="false" }
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