1 ; RUN: llc -O3 -mtriple=x86_64-apple-macosx -enable-implicit-null-checks < %s | FileCheck %s
3 ; RUN: llc < %s -mtriple=x86_64-apple-macosx -enable-implicit-null-checks \
4 ; RUN: | llvm-mc -triple x86_64-apple-macosx -filetype=obj -o - \
5 ; RUN: | llvm-objdump -triple x86_64-apple-macosx -fault-map-section - \
6 ; RUN: | FileCheck %s -check-prefix OBJDUMP
8 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -enable-implicit-null-checks \
9 ; RUN: | llvm-mc -triple x86_64-unknown-linux-gnu -filetype=obj -o - \
10 ; RUN: | llvm-objdump -triple x86_64-unknown-linux-gnu -fault-map-section - \
11 ; RUN: | FileCheck %s -check-prefix OBJDUMP
13 define i32 @imp_null_check_load(i32* %x) {
14 ; CHECK-LABEL: _imp_null_check_load:
16 ; CHECK: movl (%rdi), %eax
19 ; CHECK: movl $42, %eax
23 %c = icmp eq i32* %x, null
24 br i1 %c, label %is_null, label %not_null
30 %t = load i32, i32* %x
34 define i32 @imp_null_check_gep_load(i32* %x) {
35 ; CHECK-LABEL: _imp_null_check_gep_load:
37 ; CHECK: movl 128(%rdi), %eax
40 ; CHECK: movl $42, %eax
44 %c = icmp eq i32* %x, null
45 br i1 %c, label %is_null, label %not_null
51 %x.gep = getelementptr i32, i32* %x, i32 32
52 %t = load i32, i32* %x.gep
56 define i32 @imp_null_check_add_result(i32* %x, i32 %p) {
57 ; CHECK-LABEL: _imp_null_check_add_result:
59 ; CHECK: addl (%rdi), %esi
60 ; CHECK: movl %esi, %eax
63 ; CHECK: movl $42, %eax
67 %c = icmp eq i32* %x, null
68 br i1 %c, label %is_null, label %not_null
74 %t = load i32, i32* %x
79 ; CHECK-LABEL: __LLVM_FaultMaps:
86 ; CHECK-NEXT: .short 0
92 ; CHECK-NEXT: .quad _imp_null_check_add_result
99 ; Fault[0].FaultOffset:
100 ; CHECK-NEXT: .long Ltmp5-_imp_null_check_add_result
101 ; Fault[0].HandlerOffset:
102 ; CHECK-NEXT: .long Ltmp4-_imp_null_check_add_result
105 ; CHECK-NEXT: .quad _imp_null_check_gep_load
107 ; CHECK-NEXT: .long 1
109 ; CHECK-NEXT: .long 0
111 ; CHECK-NEXT: .long 1
112 ; Fault[0].FaultOffset:
113 ; CHECK-NEXT: .long Ltmp3-_imp_null_check_gep_load
114 ; Fault[0].HandlerOffset:
115 ; CHECK-NEXT: .long Ltmp2-_imp_null_check_gep_load
118 ; CHECK-NEXT: .quad _imp_null_check_load
120 ; CHECK-NEXT: .long 1
122 ; CHECK-NEXT: .long 0
124 ; CHECK-NEXT: .long 1
125 ; Fault[0].FaultOffset:
126 ; CHECK-NEXT: .long Ltmp1-_imp_null_check_load
127 ; Fault[0].HandlerOffset:
128 ; CHECK-NEXT: .long Ltmp0-_imp_null_check_load
130 ; OBJDUMP: FaultMap table:
131 ; OBJDUMP-NEXT: Version: 0x1
132 ; OBJDUMP-NEXT: NumFunctions: 3
133 ; OBJDUMP-NEXT: FunctionAddress: 0x000000, NumFaultingPCs: 1
134 ; OBJDUMP-NEXT: Fault kind: FaultingLoad, faulting PC offset: 0, handling PC offset: 5
135 ; OBJDUMP-NEXT: FunctionAddress: 0x000000, NumFaultingPCs: 1
136 ; OBJDUMP-NEXT: Fault kind: FaultingLoad, faulting PC offset: 0, handling PC offset: 7
137 ; OBJDUMP-NEXT: FunctionAddress: 0x000000, NumFaultingPCs: 1
138 ; OBJDUMP-NEXT: Fault kind: FaultingLoad, faulting PC offset: 0, handling PC offset: 3