1; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s --check-prefixes=CHECK,CHECK-LINUX 2; RUN: llc -mtriple=x86_64-unknown-linux-gnu -relocation-model=pic < %s | FileCheck %s --check-prefixes=CHECK,CHECK-LINUX 3; RUN: llc -mtriple=x86_64-darwin-unknown < %s | FileCheck %s --check-prefixes=CHECK,CHECK-MACOS 4 5define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" { 6; CHECK: .p2align 1 7; CHECK-LABEL: Lxray_sled_0: 8; CHECK: .ascii "\353\t" 9; CHECK-NEXT: nopw 512(%rax,%rax) 10 ret i32 0 11; CHECK: .p2align 1 12; CHECK-LABEL: Lxray_sled_1: 13; CHECK: retq 14; CHECK-NEXT: nopw %cs:512(%rax,%rax) 15} 16 17; CHECK-LINUX-LABEL: .section xray_instr_map,"ao",@progbits,foo{{$}} 18; CHECK-LINUX-LABEL: .Lxray_sleds_start0: 19; CHECK-LINUX: .quad .Lxray_sled_0 20; CHECK-LINUX: .quad .Lxray_sled_1 21; CHECK-LINUX-LABEL: .Lxray_sleds_end0: 22; CHECK-LINUX-LABEL: .section xray_fn_idx,"ao",@progbits,foo{{$}} 23; CHECK-LINUX: [[IDX:\.Lxray_fn_idx[0-9]+]]: 24; CHECK-LINUX-NEXT: .quad .Lxray_sleds_start0-[[IDX]] 25; CHECK-LINUX-NEXT: .quad 2 26 27; CHECK-MACOS-LABEL: .section __DATA,xray_instr_map,regular,live_support{{$}} 28; CHECK-MACOS-LABEL: lxray_sleds_start0: 29; CHECK-MACOS: .quad Lxray_sled_0 30; CHECK-MACOS: .quad Lxray_sled_1 31; CHECK-MACOS-LABEL: Lxray_sleds_end0: 32; CHECK-MACOS-LABEL: .section __DATA,xray_fn_idx,regular,live_support{{$}} 33; CHECK-MACOS: [[IDX:lxray_fn_idx[0-9]+]]: 34; CHECK-MACOS-NEXT: .quad lxray_sleds_start0-[[IDX]] 35; CHECK-MACOS-NEXT: .quad 2 36 37 38; We test multiple returns in a single function to make sure we're getting all 39; of them with XRay instrumentation. 40define i32 @bar(i32 %i) nounwind noinline uwtable "function-instrument"="xray-always" { 41; CHECK: .p2align 1 42; CHECK-LABEL: Lxray_sled_2: 43; CHECK: .ascii "\353\t" 44; CHECK-NEXT: nopw 512(%rax,%rax) 45Test: 46 %cond = icmp eq i32 %i, 0 47 br i1 %cond, label %IsEqual, label %NotEqual 48IsEqual: 49 ret i32 0 50; CHECK: .p2align 1 51; CHECK-LABEL: Lxray_sled_3: 52; CHECK: retq 53; CHECK-NEXT: nopw %cs:512(%rax,%rax) 54NotEqual: 55 ret i32 1 56; CHECK: .p2align 1 57; CHECK-LABEL: Lxray_sled_4: 58; CHECK: retq 59; CHECK-NEXT: nopw %cs:512(%rax,%rax) 60} 61 62; CHECK-LINUX-LABEL: .section xray_instr_map,"ao",@progbits,bar{{$}} 63; CHECK-LINUX-LABEL: .Lxray_sleds_start1: 64; CHECK-LINUX: [[TMP:.Ltmp[0-9]+]]: 65; CHECK-LINUX-NEXT: .quad .Lxray_sled_2-[[TMP]] 66; CHECK-LINUX: [[TMP:.Ltmp[0-9]+]]: 67; CHECK-LINUX-NEXT: .quad .Lxray_sled_3-[[TMP]] 68; CHECK-LINUX: [[TMP:.Ltmp[0-9]+]]: 69; CHECK-LINUX-NEXT: .quad .Lxray_sled_4-[[TMP]] 70; CHECK-LINUX-LABEL: .Lxray_sleds_end1: 71; CHECK-LINUX-LABEL: .section xray_fn_idx,"ao",@progbits,bar{{$}} 72; CHECK-LINUX: [[IDX:\.Lxray_fn_idx[0-9]+]]: 73; CHECK-LINUX-NEXT: .quad .Lxray_sleds_start1-[[IDX]] 74; CHECK-LINUX-NEXT: .quad 3 75 76; CHECK-MACOS-LABEL: .section __DATA,xray_instr_map,regular,live_support{{$}} 77; CHECK-MACOS-LABEL: lxray_sleds_start1: 78; CHECK-MACOS: [[TMP:Ltmp[0-9]+]]: 79; CHECK-MACOS-NEXT: .quad Lxray_sled_2-[[TMP]] 80; CHECK-MACOS: [[TMP:Ltmp[0-9]+]]: 81; CHECK-MACOS-NEXT: .quad Lxray_sled_3-[[TMP]] 82; CHECK-MACOS: [[TMP:Ltmp[0-9]+]]: 83; CHECK-MACOS-NEXT: .quad Lxray_sled_4-[[TMP]] 84; CHECK-MACOS-LABEL: Lxray_sleds_end1: 85; CHECK-MACOS-LABEL: .section __DATA,xray_fn_idx,regular,live_support{{$}} 86; CHECK-MACOS: [[IDX:lxray_fn_idx[0-9]+]]: 87; CHECK-MACOS-NEXT: .quad lxray_sleds_start1-[[IDX]] 88; CHECK-MACOS-NEXT: .quad 3 89