fcecf177c1
Callsite offsets will help map addresses to the right position in the basic block (before or after a callsite). This PR also bumps the BBAddrMap version to 3. The encoding/decoding ability is already pushed upstream 8d7a8fcc3ab9f6d4c4a7e4312876fe94ed3d6c4f.
80 lines
2.7 KiB
LLVM
80 lines
2.7 KiB
LLVM
;; Check that the -basic-block-address-map option works when used along with -basic-block-sections.
|
|
;; Let a function with 4 basic blocks get split into 2 sections.
|
|
; RUN: echo '!_Z3bazb' > %t
|
|
; RUN: echo '!!0 2' >> %t
|
|
; RUN: llc < %s -mtriple=x86_64 -basic-block-address-map -basic-block-sections=%t | FileCheck %s
|
|
|
|
define void @_Z3bazb(i1 zeroext) personality ptr @__gxx_personality_v0 {
|
|
br i1 %0, label %2, label %7
|
|
|
|
2:
|
|
%3 = invoke i32 @_Z3barv()
|
|
to label %7 unwind label %5
|
|
br label %9
|
|
|
|
5:
|
|
landingpad { ptr, i32 }
|
|
catch ptr null
|
|
br label %9
|
|
|
|
7:
|
|
%8 = call i32 @_Z3foov()
|
|
br label %9
|
|
|
|
9:
|
|
ret void
|
|
}
|
|
|
|
declare i32 @_Z3barv() #1
|
|
|
|
declare i32 @_Z3foov() #1
|
|
|
|
declare i32 @__gxx_personality_v0(...)
|
|
|
|
; CHECK: .text
|
|
; CHECK-LABEL: _Z3bazb:
|
|
; CHECK-LABEL: .Lfunc_begin0:
|
|
; CHECK-LABEL: .LBB_END0_0:
|
|
; CHECK-LABEL: .LBB0_1:
|
|
; CHECK-LABEL: .LBB_END0_1:
|
|
; CHECK: .section .text.split._Z3bazb,"ax",@progbits
|
|
; CHECK-LABEL: _Z3bazb.cold:
|
|
; CHECK-LABEL: .LBB0_2_CS0:
|
|
; CHECK-LABEL: .LBB_END0_2:
|
|
; CHECK-LABEL: .LBB0_3:
|
|
; CHECK-LABEL: .LBB0_3_CS0:
|
|
; CHECK-LABEL: .LBB_END0_3:
|
|
; CHECK-LABEL: .Lfunc_end0:
|
|
|
|
; CHECK: .section .llvm_bb_addr_map,"o",@llvm_bb_addr_map,.text.hot._Z3bazb
|
|
; CHECK-NEXT: .byte 3 # version
|
|
; CHECK-NEXT: .byte 40 # feature
|
|
; CHECK-NEXT: .byte 2 # number of basic block ranges
|
|
; CHECK-NEXT: .quad .Lfunc_begin0 # base address
|
|
; CHECK-NEXT: .byte 2 # number of basic blocks
|
|
; CHECK-NEXT: .byte 0 # BB id
|
|
; CHECK-NEXT: .uleb128 .Lfunc_begin0-.Lfunc_begin0
|
|
; CHECK-NEXT: .byte 0 # number of callsites
|
|
; CHECK-NEXT: .uleb128 .LBB_END0_0-.Lfunc_begin0
|
|
; CHECK-NEXT: .byte 0
|
|
; CHECK-NEXT: .byte 2 # BB id
|
|
; CHECK-NEXT: .uleb128 .LBB0_1-.LBB_END0_0
|
|
; CHECK-NEXT: .byte 0 # number of callsites
|
|
; CHECK-NEXT: .uleb128 .LBB_END0_1-.LBB0_1
|
|
; CHECK-NEXT: .byte 5
|
|
; CHECK-NEXT: .quad _Z3bazb.cold # base address
|
|
; CHECK-NEXT: .byte 2 # number of basic blocks
|
|
; CHECK-NEXT: .byte 1 # BB id
|
|
; CHECK-NEXT: .uleb128 _Z3bazb.cold-_Z3bazb.cold
|
|
; CHECK-NEXT: .byte 1 # number of callsites
|
|
; CHECK-NEXT: .uleb128 .LBB0_2_CS0-_Z3bazb.cold
|
|
; CHECK-NEXT: .uleb128 .LBB_END0_2-.LBB0_2_CS0
|
|
; CHECK-NEXT: .byte 8
|
|
; CHECK-NEXT: .byte 3 # BB id
|
|
; CHECK-NEXT: .uleb128 .LBB0_3-.LBB_END0_2
|
|
; CHECK-NEXT: .byte 1 # number of callsites
|
|
; CHECK-NEXT: .uleb128 .LBB0_3_CS0-.LBB0_3
|
|
; CHECK-NEXT: .uleb128 .LBB_END0_3-.LBB0_3_CS0
|
|
; CHECK-NEXT: .byte 1
|
|
|