68a1f09107
function-instrument=xray-never wasn't actually honored before. We were getting lucky that it worked because CodeGenFunction would omit the other xray attributes when a function was annotated with xray_never_instrument. This patch adds proper support. Differential Revision: https://reviews.llvm.org/D89441
105 lines
2.4 KiB
LLVM
105 lines
2.4 KiB
LLVM
; RUN: llc -filetype=asm -o - -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s
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define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" {
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; CHECK-LABEL: foo:
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; CHECK-LABEL: Lxray_sled_0:
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; CHECK-NEXT: b #32
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp0:
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ret i32 0
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; CHECK-LABEL: Lxray_sled_1:
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; CHECK-NEXT: b #32
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp1:
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; CHECK-NEXT: ret
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}
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; CHECK-LABEL: xray_instr_map
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; CHECK-LABEL: Lxray_sleds_start0
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; CHECK: .xword .Lxray_sled_0
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; CHECK: .xword .Lxray_sled_1
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; CHECK-LABEL: Lxray_sleds_end0
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define i32 @bar() nounwind noinline uwtable "function-instrument"="xray-never" "function-instrument"="xray-always" {
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; CHECK-LABEL: bar:
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; CHECK-LABEL: Lxray_sled_2:
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; CHECK-NEXT: b #32
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp4:
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ret i32 0
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; CHECK-LABEL: Lxray_sled_3:
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; CHECK-NEXT: b #32
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp5:
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; CHECK-NEXT: ret
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}
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; CHECK-LABEL: xray_instr_map
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; CHECK-LABEL: Lxray_sleds_start1
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; CHECK: .xword .Lxray_sled_2
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; CHECK: .xword .Lxray_sled_3
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; CHECK-LABEL: Lxray_sleds_end1
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define i32 @instrumented() nounwind noinline uwtable "xray-instruction-threshold"="1" {
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; CHECK-LABEL: instrumented:
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; CHECK-LABEL: Lxray_sled_4:
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; CHECK-NEXT: b #32
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp8:
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ret i32 0
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; CHECK-LABEL: Lxray_sled_5:
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; CHECK-NEXT: b #32
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp9:
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; CHECK-NEXT: ret
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}
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; CHECK-LABEL: xray_instr_map
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; CHECK-LABEL: Lxray_sleds_start2
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; CHECK: .xword .Lxray_sled_4
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; CHECK: .xword .Lxray_sled_5
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; CHECK-LABEL: Lxray_sleds_end2
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define i32 @not_instrumented() nounwind noinline uwtable "xray-instruction-threshold"="1" "function-instrument"="xray-never" {
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; CHECK-LABEL: not_instrumented
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; CHECK-NOT: .Lxray_sled_6
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ret i32 0
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; CHECK: ret
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}
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