105 lines
2.9 KiB
LLVM
105 lines
2.9 KiB
LLVM
|
; RUN: llc -verify-machineinstrs -O3 -mtriple=x86_64-apple-macosx -enable-implicit-null-checks < %s | FileCheck %s
|
||
|
|
|
||
|
|
; RUN: llc < %s -mtriple=x86_64-apple-macosx -enable-implicit-null-checks \
|
||
|
|
; RUN: | llvm-mc -triple x86_64-apple-macosx -filetype=obj -o - \
|
||
|
|
; RUN: | llvm-objdump --triple=x86_64-apple-macosx --fault-map-section - \
|
||
|
|
; RUN: | FileCheck %s -check-prefix OBJDUMP
|
||
|
|
|
||
|
|
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -enable-implicit-null-checks \
|
||
|
|
; RUN: | llvm-mc -triple x86_64-unknown-linux-gnu -filetype=obj -o - \
|
||
|
|
; RUN: | llvm-objdump --triple=x86_64-unknown-linux-gnu --fault-map-section - \
|
||
|
|
; RUN: | FileCheck %s -check-prefix OBJDUMP
|
||
|
|
|
||
|
|
;; The tests in this file exist just to check basic validity of the FaultMap
|
||
|
|
;; section. Please don't add to this file unless you're testing the FaultMap
|
||
|
|
;; serialization code itself.
|
||
|
|
|
||
|
|
define i32 @imp_null_check_load(i32* %x) {
|
||
|
|
; CHECK-LABEL: _imp_null_check_load:
|
||
|
|
; CHECK: [[BB0_imp_null_check_load:L[^:]+]]:
|
||
|
|
; CHECK: movl (%rdi), %eax
|
||
|
|
; CHECK: retq
|
||
|
|
; CHECK: [[BB1_imp_null_check_load:LBB0_[0-9]+]]:
|
||
|
|
; CHECK: movl $42, %eax
|
||
|
|
; CHECK: retq
|
||
|
|
|
||
|
|
entry:
|
||
|
|
%c = icmp eq i32* %x, null
|
||
|
|
br i1 %c, label %is_null, label %not_null, !make.implicit !0
|
||
|
|
|
||
|
|
is_null:
|
||
|
|
ret i32 42
|
||
|
|
|
||
|
|
not_null:
|
||
|
|
%t = load i32, i32* %x
|
||
|
|
ret i32 %t
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @imp_null_check_store(i32* %x) {
|
||
|
|
; CHECK-LABEL: _imp_null_check_store:
|
||
|
|
; CHECK: [[BB0_imp_null_check_store:L[^:]+]]:
|
||
|
|
; CHECK: movl $1, (%rdi)
|
||
|
|
; CHECK: retq
|
||
|
|
; CHECK: [[BB1_imp_null_check_store:LBB1_[0-9]+]]:
|
||
|
|
; CHECK: retq
|
||
|
|
|
||
|
|
entry:
|
||
|
|
%c = icmp eq i32* %x, null
|
||
|
|
br i1 %c, label %is_null, label %not_null, !make.implicit !0
|
||
|
|
|
||
|
|
is_null:
|
||
|
|
ret void
|
||
|
|
|
||
|
|
not_null:
|
||
|
|
store i32 1, i32* %x
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
!0 = !{}
|
||
|
|
|
||
|
|
; CHECK-LABEL: __LLVM_FaultMaps:
|
||
|
|
|
||
|
|
; Version:
|
||
|
|
; CHECK-NEXT: .byte 1
|
||
|
|
|
||
|
|
; Reserved x2
|
||
|
|
; CHECK-NEXT: .byte 0
|
||
|
|
; CHECK-NEXT: .short 0
|
||
|
|
|
||
|
|
; # functions:
|
||
|
|
; CHECK-NEXT: .long 2
|
||
|
|
|
||
|
|
; FunctionAddr:
|
||
|
|
; CHECK-NEXT: .quad _imp_null_check_load
|
||
|
|
; NumFaultingPCs
|
||
|
|
; CHECK-NEXT: .long 1
|
||
|
|
; Reserved:
|
||
|
|
; CHECK-NEXT: .long 0
|
||
|
|
; Fault[0].Type:
|
||
|
|
; CHECK-NEXT: .long 1
|
||
|
|
; Fault[0].FaultOffset:
|
||
|
|
; CHECK-NEXT: .long [[BB0_imp_null_check_load]]-_imp_null_check_load
|
||
|
|
; Fault[0].HandlerOffset:
|
||
|
|
; CHECK-NEXT: .long [[BB1_imp_null_check_load]]-_imp_null_check_load
|
||
|
|
|
||
|
|
; FunctionAddr:
|
||
|
|
; CHECK-NEXT: .quad _imp_null_check_store
|
||
|
|
; NumFaultingPCs
|
||
|
|
; CHECK-NEXT: .long 1
|
||
|
|
; Reserved:
|
||
|
|
; CHECK-NEXT: .long 0
|
||
|
|
; Fault[0].Type:
|
||
|
|
; CHECK-NEXT: .long 3
|
||
|
|
; Fault[0].FaultOffset:
|
||
|
|
; CHECK-NEXT: .long [[BB0_imp_null_check_store]]-_imp_null_check_store
|
||
|
|
; Fault[0].HandlerOffset:
|
||
|
|
; CHECK-NEXT: .long [[BB1_imp_null_check_store]]-_imp_null_check_store
|
||
|
|
|
||
|
|
; OBJDUMP: FaultMap table:
|
||
|
|
; OBJDUMP-NEXT: Version: 0x1
|
||
|
|
; OBJDUMP-NEXT: NumFunctions: 2
|
||
|
|
; OBJDUMP-NEXT: FunctionAddress: 0x000000, NumFaultingPCs: 1
|
||
|
|
; OBJDUMP-NEXT: Fault kind: FaultingLoad, faulting PC offset: 0, handling PC offset: 3
|
||
|
|
; OBJDUMP-NEXT: FunctionAddress: 0x000000, NumFaultingPCs: 1
|
||
|
|
; OBJDUMP-NEXT: Fault kind: FaultingStore, faulting PC offset: 0, handling PC offset: 7
|