|  | ; RUN: llc -mtriple=x86_64-unknown-linux-gnu                       < %s | FileCheck %s --check-prefixes=CHECK,CHECK-LINUX | 
|  | ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -relocation-model=pic < %s | FileCheck %s --check-prefixes=CHECK,CHECK-LINUX | 
|  | ; RUN: llc -mtriple=x86_64-darwin-unknown                          < %s | FileCheck %s --check-prefixes=CHECK,CHECK-MACOS | 
|  |  | 
|  | define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" { | 
|  | ; CHECK:       .p2align 1 | 
|  | ; CHECK-LABEL: Lxray_sled_0: | 
|  | ; CHECK:       .ascii "\353\t" | 
|  | ; CHECK-NEXT:  nopw 512(%rax,%rax) | 
|  | ret i32 0 | 
|  | ; CHECK:       .p2align 1 | 
|  | ; CHECK-LABEL: Lxray_sled_1: | 
|  | ; CHECK:       retq | 
|  | ; CHECK-NEXT:  nopw %cs:512(%rax,%rax) | 
|  | } | 
|  |  | 
|  | ; CHECK-LINUX-LABEL: .section xray_instr_map,"ao",@progbits,foo{{$}} | 
|  | ; CHECK-LINUX-LABEL: .Lxray_sleds_start0: | 
|  | ; CHECK-LINUX:         .quad .Lxray_sled_0 | 
|  | ; CHECK-LINUX:         .quad .Lxray_sled_1 | 
|  | ; CHECK-LINUX-LABEL: .Lxray_sleds_end0: | 
|  | ; CHECK-LINUX-LABEL: .section xray_fn_idx,"ao",@progbits,foo{{$}} | 
|  | ; CHECK-LINUX-NEXT:    .p2align 3, 0x0 | 
|  | ; CHECK-LINUX-NEXT:  [[IDX:\.Lxray_fn_idx[0-9]+]]: | 
|  | ; CHECK-LINUX-NEXT:    .quad .Lxray_sleds_start0-[[IDX]] | 
|  | ; CHECK-LINUX-NEXT:    .quad 2 | 
|  |  | 
|  | ; CHECK-MACOS-LABEL: .section __DATA,xray_instr_map,regular,live_support{{$}} | 
|  | ; CHECK-MACOS-LABEL: lxray_sleds_start0: | 
|  | ; CHECK-MACOS:         .quad Lxray_sled_0 | 
|  | ; CHECK-MACOS:         .quad Lxray_sled_1 | 
|  | ; CHECK-MACOS-LABEL: Lxray_sleds_end0: | 
|  | ; CHECK-MACOS-LABEL: .section __DATA,xray_fn_idx,regular,live_support{{$}} | 
|  | ; CHECK-MACOS:       [[IDX:lxray_fn_idx[0-9]+]]: | 
|  | ; CHECK-MACOS-NEXT:    .quad lxray_sleds_start0-[[IDX]] | 
|  | ; CHECK-MACOS-NEXT:    .quad 2 | 
|  |  | 
|  |  | 
|  | ; We test multiple returns in a single function to make sure we're getting all | 
|  | ; of them with XRay instrumentation. | 
|  | define i32 @bar(i32 %i) nounwind noinline uwtable "function-instrument"="xray-always" { | 
|  | ; CHECK:       .p2align 1 | 
|  | ; CHECK-LABEL: Lxray_sled_2: | 
|  | ; CHECK:       .ascii "\353\t" | 
|  | ; CHECK-NEXT:  nopw 512(%rax,%rax) | 
|  | Test: | 
|  | %cond = icmp eq i32 %i, 0 | 
|  | br i1 %cond, label %IsEqual, label %NotEqual | 
|  | IsEqual: | 
|  | ret i32 0 | 
|  | ; CHECK:       .p2align 1 | 
|  | ; CHECK-LABEL: Lxray_sled_3: | 
|  | ; CHECK:       retq | 
|  | ; CHECK-NEXT:  nopw %cs:512(%rax,%rax) | 
|  | NotEqual: | 
|  | ret i32 1 | 
|  | ; CHECK:       .p2align 1 | 
|  | ; CHECK-LABEL: Lxray_sled_4: | 
|  | ; CHECK:       retq | 
|  | ; CHECK-NEXT:  nopw %cs:512(%rax,%rax) | 
|  | } | 
|  |  | 
|  | ; CHECK-LINUX-LABEL: .section xray_instr_map,"ao",@progbits,bar{{$}} | 
|  | ; CHECK-LINUX-LABEL: .Lxray_sleds_start1: | 
|  | ; CHECK-LINUX:       [[TMP:.Ltmp[0-9]+]]: | 
|  | ; CHECK-LINUX-NEXT:    .quad .Lxray_sled_2-[[TMP]] | 
|  | ; CHECK-LINUX:       [[TMP:.Ltmp[0-9]+]]: | 
|  | ; CHECK-LINUX-NEXT:    .quad .Lxray_sled_3-[[TMP]] | 
|  | ; CHECK-LINUX:       [[TMP:.Ltmp[0-9]+]]: | 
|  | ; CHECK-LINUX-NEXT:    .quad .Lxray_sled_4-[[TMP]] | 
|  | ; CHECK-LINUX-LABEL: .Lxray_sleds_end1: | 
|  | ; CHECK-LINUX-LABEL: .section xray_fn_idx,"ao",@progbits,bar{{$}} | 
|  | ; CHECK-LINUX:       [[IDX:\.Lxray_fn_idx[0-9]+]]: | 
|  | ; CHECK-LINUX-NEXT:    .quad .Lxray_sleds_start1-[[IDX]] | 
|  | ; CHECK-LINUX-NEXT:    .quad 3 | 
|  |  | 
|  | ; CHECK-MACOS-LABEL: .section __DATA,xray_instr_map,regular,live_support{{$}} | 
|  | ; CHECK-MACOS-LABEL: lxray_sleds_start1: | 
|  | ; CHECK-MACOS:       [[TMP:Ltmp[0-9]+]]: | 
|  | ; CHECK-MACOS-NEXT:    .quad Lxray_sled_2-[[TMP]] | 
|  | ; CHECK-MACOS:       [[TMP:Ltmp[0-9]+]]: | 
|  | ; CHECK-MACOS-NEXT:    .quad Lxray_sled_3-[[TMP]] | 
|  | ; CHECK-MACOS:       [[TMP:Ltmp[0-9]+]]: | 
|  | ; CHECK-MACOS-NEXT:    .quad Lxray_sled_4-[[TMP]] | 
|  | ; CHECK-MACOS-LABEL: Lxray_sleds_end1: | 
|  | ; CHECK-MACOS-LABEL: .section __DATA,xray_fn_idx,regular,live_support{{$}} | 
|  | ; CHECK-MACOS:       [[IDX:lxray_fn_idx[0-9]+]]: | 
|  | ; CHECK-MACOS-NEXT:    .quad lxray_sleds_start1-[[IDX]] | 
|  | ; CHECK-MACOS-NEXT:    .quad 3 |