forked from OSchip/llvm-project
141 lines
3.5 KiB
LLVM
141 lines
3.5 KiB
LLVM
; RUN: llc -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
|
|
|
|
define i32 @imp_null_check_load(i32* %x) {
|
|
; CHECK-LABEL: _imp_null_check_load:
|
|
; CHECK: Ltmp1:
|
|
; CHECK: movl (%rdi), %eax
|
|
; CHECK: retq
|
|
; CHECK: Ltmp0:
|
|
; 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 i32 @imp_null_check_gep_load(i32* %x) {
|
|
; CHECK-LABEL: _imp_null_check_gep_load:
|
|
; CHECK: Ltmp3:
|
|
; CHECK: movl 128(%rdi), %eax
|
|
; CHECK: retq
|
|
; CHECK: Ltmp2:
|
|
; 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:
|
|
%x.gep = getelementptr i32, i32* %x, i32 32
|
|
%t = load i32, i32* %x.gep
|
|
ret i32 %t
|
|
}
|
|
|
|
define i32 @imp_null_check_add_result(i32* %x, i32 %p) {
|
|
; CHECK-LABEL: _imp_null_check_add_result:
|
|
; CHECK: Ltmp5:
|
|
; CHECK: addl (%rdi), %esi
|
|
; CHECK: movl %esi, %eax
|
|
; CHECK: retq
|
|
; CHECK: Ltmp4:
|
|
; 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
|
|
%p1 = add i32 %t, %p
|
|
ret i32 %p1
|
|
}
|
|
|
|
!0 = !{}
|
|
|
|
; CHECK-LABEL: __LLVM_FaultMaps:
|
|
|
|
; Version:
|
|
; CHECK-NEXT: .byte 1
|
|
|
|
; Reserved x2
|
|
; CHECK-NEXT: .byte 0
|
|
; CHECK-NEXT: .short 0
|
|
|
|
; # functions:
|
|
; CHECK-NEXT: .long 3
|
|
|
|
; FunctionAddr:
|
|
; CHECK-NEXT: .quad _imp_null_check_add_result
|
|
; NumFaultingPCs
|
|
; CHECK-NEXT: .long 1
|
|
; Reserved:
|
|
; CHECK-NEXT: .long 0
|
|
; Fault[0].Type:
|
|
; CHECK-NEXT: .long 1
|
|
; Fault[0].FaultOffset:
|
|
; CHECK-NEXT: .long Ltmp5-_imp_null_check_add_result
|
|
; Fault[0].HandlerOffset:
|
|
; CHECK-NEXT: .long Ltmp4-_imp_null_check_add_result
|
|
|
|
; FunctionAddr:
|
|
; CHECK-NEXT: .quad _imp_null_check_gep_load
|
|
; NumFaultingPCs
|
|
; CHECK-NEXT: .long 1
|
|
; Reserved:
|
|
; CHECK-NEXT: .long 0
|
|
; Fault[0].Type:
|
|
; CHECK-NEXT: .long 1
|
|
; Fault[0].FaultOffset:
|
|
; CHECK-NEXT: .long Ltmp3-_imp_null_check_gep_load
|
|
; Fault[0].HandlerOffset:
|
|
; CHECK-NEXT: .long Ltmp2-_imp_null_check_gep_load
|
|
|
|
; 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 Ltmp1-_imp_null_check_load
|
|
; Fault[0].HandlerOffset:
|
|
; CHECK-NEXT: .long Ltmp0-_imp_null_check_load
|
|
|
|
; OBJDUMP: FaultMap table:
|
|
; OBJDUMP-NEXT: Version: 0x1
|
|
; OBJDUMP-NEXT: NumFunctions: 3
|
|
; OBJDUMP-NEXT: FunctionAddress: 0x000000, NumFaultingPCs: 1
|
|
; OBJDUMP-NEXT: Fault kind: FaultingLoad, faulting PC offset: 0, handling PC offset: 5
|
|
; OBJDUMP-NEXT: FunctionAddress: 0x000000, NumFaultingPCs: 1
|
|
; OBJDUMP-NEXT: Fault kind: FaultingLoad, faulting PC offset: 0, handling PC offset: 7
|
|
; OBJDUMP-NEXT: FunctionAddress: 0x000000, NumFaultingPCs: 1
|
|
; OBJDUMP-NEXT: Fault kind: FaultingLoad, faulting PC offset: 0, handling PC offset: 3
|