[llvm] [BOLT][DWARF][NFC] Add tests to check with an increased batch size (PR #100851)

Fri Jul 26 19:03:31 PDT 2024

https://github.com/sayhaan updated https://github.com/llvm/llvm-project/pull/100851

>From 02f5f302fc9bfae4c6bac288be6c04b690c97b6a Mon Sep 17 00:00:00 2001
From: Sayhaan Siddiqui <sayhaan at meta.com>
Date: Fri, 26 Jul 2024 18:34:06 -0700
Subject: [PATCH] [BOLT][DWARF][NFC] Add tests to check debug_ranges with an
 increased batch size

---
 ...dwarf4-df-dualcu-increased-batch-size.test | 48 +++++++++++
 bolt/test/X86/dwarf4-df-dualcu.test           |  2 +-
 ...lowpc-ranges-cus-increased-batch-size.test | 81 +++++++++++++++++++
 .../X86/dwarf4-df-input-lowpc-ranges-cus.test |  2 +-
 4 files changed, 131 insertions(+), 2 deletions(-)
 create mode 100644 bolt/test/X86/dwarf4-df-dualcu-increased-batch-size.test
 create mode 100644 bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus-increased-batch-size.test

diff --git a/bolt/test/X86/dwarf4-df-dualcu-increased-batch-size.test b/bolt/test/X86/dwarf4-df-dualcu-increased-batch-size.test
new file mode 100644
index 0000000000000..5b1e961b8abe6
--- /dev/null
+++ b/bolt/test/X86/dwarf4-df-dualcu-increased-batch-size.test
@@ -0,0 +1,48 @@
+; RUN: rm -rf %t
+; RUN: mkdir %t
+; RUN: cd %t
+; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-dualcu-main.s \
+; RUN: -split-dwarf-file=main.dwo -o main.o
+; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-dualcu-helper.s \
+; RUN: -split-dwarf-file=helper.dwo -o helper.o
+; RUN: %clang %cflags -gdwarf-5 -gsplit-dwarf=split main.o helper.o -o main.exe -fno-pic -no-pie
+; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections --always-convert-to-ranges --cu-processing-batch-size=2
+; RUN: llvm-dwarfdump --show-form --verbose --debug-ranges main.exe.bolt &> %t/foo.txt
+; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.exe.bolt >> %t/foo.txt
+; RUN: cat %t/foo.txt | FileCheck -check-prefix=BOLT %s
+
+;; Testing dwarf5 split dwarf for two CUs with an increased batch size. Checks values
+;; in debug_ranges and debug_info.
+
+; BOLT: .debug_ranges
+; BOLT-NEXT: 00000000 <End of list>
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR1:]] [[#%.16x,ADDRB1:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR2:]] [[#%.16x,ADDRB2:]]
+; BOLT-NEXT: 00000010 <End of list>
+; BOLT-NEXT: 00000040 [[#%.16x,ADDR3:]] [[#%.16x,ADDRB3:]]
+; BOLT-NEXT: 00000040 <End of list>
+; BOLT-NEXT: 00000060 [[#%.16x,ADDR1:]] [[#%.16x,ADDRB1:]]
+; BOLT-NEXT: 00000060 <End of list>
+; BOLT-NEXT: 00000080 [[#%.16x,ADDR2:]] [[#%.16x,ADDRB2:]]
+; BOLT-NEXT: 00000080 <End of list>
+; BOLT-NEXT: 000000a0 [[#%.16x,ADDR3:]] [[#%.16x,ADDRB3:]]
+; BOLT-NEXT: 000000a0 <End of list>
+
+; BOLT: DW_TAG_compile_unit
+; BOLT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000016] = "main.dwo.dwo")
+; BOLT-NEXT: DW_AT_GNU_dwo_id
+; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
+; BOLT-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000010
+; BOLT-NEXT: [0x[[#ADDR1]], 0x[[#ADDRB1]])
+; BOLT-NEXT: [0x[[#ADDR2]], 0x[[#ADDRB2]]))
+; BOLT-NEXT: DW_AT_GNU_addr_base [DW_FORM_sec_offset]  (0x00000000)
+; BOLT-NEXT: DW_AT_GNU_ranges_base [DW_FORM_sec_offset]  (0x00000060)
+; BOLT-NEXT: Compile
+; BOLT: DW_TAG_compile_unit
+; BOLT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000023] = "helper.dwo.dwo")
+; BOLT-NEXT: DW_AT_GNU_dwo_id
+; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
+; BOLT-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000040
+; BOLT-NEXT: [0x[[#ADDR3]], 0x[[#ADDRB3]])
+; BOLT-NEXT: DW_AT_GNU_addr_base [DW_FORM_sec_offset]  (0x00000010)
+; BOLT-NEXT: DW_AT_GNU_ranges_base [DW_FORM_sec_offset]  (0x000000a0)
diff --git a/bolt/test/X86/dwarf4-df-dualcu.test b/bolt/test/X86/dwarf4-df-dualcu.test
index 468c924de3a90..07b306675a913 100644
--- a/bolt/test/X86/dwarf4-df-dualcu.test
+++ b/bolt/test/X86/dwarf4-df-dualcu.test
@@ -6,7 +6,7 @@
 ; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-dualcu-helper.s \
 ; RUN: -split-dwarf-file=helper.dwo -o helper.o
 ; RUN: %clang %cflags -gdwarf-5 -gsplit-dwarf=split main.o helper.o -o main.exe -fno-pic -no-pie
-; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections --always-convert-to-ranges
+; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections --always-convert-to-ranges --cu-processing-batch-size=1
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.exe | FileCheck -check-prefix=PRE-BOLT %s
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-ranges main.exe.bolt &> %t/foo.txt
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.exe.bolt >> %t/foo.txt
diff --git a/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus-increased-batch-size.test b/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus-increased-batch-size.test
new file mode 100644
index 0000000000000..f699ba463bc7a
--- /dev/null
+++ b/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus-increased-batch-size.test
@@ -0,0 +1,81 @@
+; RUN: rm -rf %t
+; RUN: mkdir %t
+; RUN: cd %t
+; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-input-lowpc-ranges-main.s \
+; RUN: -split-dwarf-file=main.dwo -o main.o
+; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-input-lowpc-ranges-other.s \
+; RUN: -split-dwarf-file=mainOther.dwo -o other.o
+; RUN: %clang %cflags -gdwarf-4 -gsplit-dwarf=split main.o other.o -o main.exe
+; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections --cu-processing-batch-size=2
+; RUN: llvm-dwarfdump --show-form --verbose --debug-ranges main.exe.bolt &> %t/foo.txt
+; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.exe.bolt >> %t/foo.txt
+; RUN: cat %t/foo.txt | FileCheck -check-prefix=BOLT %s
+
+;; Tests that BOLT correctly handles multiple CUs with an increased batch size.
+
+; BOLT: .debug_ranges
+; BOLT-NEXT: 00000000 <End of list>
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR1:]] [[#%.16x,ADDRB1:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR2:]] [[#%.16x,ADDRB2:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR3:]] [[#%.16x,ADDRB3:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR4:]] [[#%.16x,ADDRB4:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR5:]] [[#%.16x,ADDRB5:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR6:]] [[#%.16x,ADDRB6:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR7:]] [[#%.16x,ADDRB7:]]
+; BOLT-NEXT: 00000010 <End of list>
+; BOLT-NEXT: 00000090 [[#%.16x,ADDR8:]] [[#%.16x,ADDRB8:]]
+; BOLT-NEXT: 00000090 [[#%.16x,ADDR9:]] [[#%.16x,ADDRB9:]]
+; BOLT-NEXT: 00000090 [[#%.16x,ADDR10:]] [[#%.16x,ADDRB10:]]
+; BOLT-NEXT: 00000090 [[#%.16x,ADDR11:]] [[#%.16x,ADDRB11:]]
+; BOLT-NEXT: 00000090 [[#%.16x,ADDR12:]] [[#%.16x,ADDRB12:]]
+; BOLT-NEXT: 00000090 [[#%.16x,ADDR13:]] [[#%.16x,ADDRB13:]]
+; BOLT-NEXT: 00000090 [[#%.16x,ADDR14:]] [[#%.16x,ADDRB14:]]
+; BOLT-NEXT: 00000090 <End of list>
+; BOLT-NEXT: 00000110 [[#%.16x,ADDR1:]] [[#%.16x,ADDRB1:]]
+; BOLT-NEXT: 00000110 [[#%.16x,ADDR2:]] [[#%.16x,ADDRB2:]]
+; BOLT-NEXT: 00000110 [[#%.16x,ADDR3:]] [[#%.16x,ADDRB3:]]
+; BOLT-NEXT: 00000110 <End of list>
+; BOLT-NEXT: 00000150 [[#%.16x,ADDR5:]] [[#%.16x,ADDRB5:]]
+; BOLT-NEXT: 00000150 [[#%.16x,ADDR6:]] [[#%.16x,ADDRB6:]]
+; BOLT-NEXT: 00000150 [[#%.16x,ADDR7:]] [[#%.16x,ADDRB7:]]
+; BOLT-NEXT: 00000150 <End of list>
+; BOLT-NEXT: 00000190 [[#%.16x,ADDR8:]] [[#%.16x,ADDRB8:]]
+; BOLT-NEXT: 00000190 [[#%.16x,ADDR9:]] [[#%.16x,ADDRB9:]]
+; BOLT-NEXT: 00000190 [[#%.16x,ADDR10:]] [[#%.16x,ADDRB10:]]
+; BOLT-NEXT: 00000190 <End of list>
+; BOLT-NEXT: 000001d0 [[#%.16x,ADDR12:]] [[#%.16x,ADDRB12:]]
+; BOLT-NEXT: 000001d0 [[#%.16x,ADDR13:]] [[#%.16x,ADDRB13:]]
+; BOLT-NEXT: 000001d0 [[#%.16x,ADDR14:]] [[#%.16x,ADDRB14:]]
+; BOLT-NEXT: 000001d0 <End of list>
+
+; BOLT: DW_TAG_compile_unit
+; BOLT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-fA-F]+}}] = "main.dwo.dwo")
+; BOLT-NEXT: DW_AT_GNU_dwo_id
+; BOLT-NEXT: DW_AT_GNU_ranges_base [DW_FORM_sec_offset]  (0x00000110)
+; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
+; BOLT-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000010
+; BOLT-NEXT: [0x[[#ADDR1]], 0x[[#ADDRB1]])
+; BOLT-NEXT: [0x[[#ADDR2]], 0x[[#ADDRB2]])
+; BOLT-NEXT: [0x[[#ADDR3]], 0x[[#ADDRB3]])
+; BOLT-NEXT: [0x[[#ADDR4]], 0x[[#ADDRB4]])
+; BOLT-NEXT: [0x[[#ADDR5]], 0x[[#ADDRB5]])
+; BOLT-NEXT: [0x[[#ADDR6]], 0x[[#ADDRB6]])
+; BOLT-NEXT: [0x[[#ADDR7]], 0x[[#ADDRB7]])
+; BOLT-NEXT: DW_AT_GNU_addr_base [DW_FORM_sec_offset]  (0x00000000)
+; BOLT-NEXT: Compile Unit
+
+; BOLT: DW_TAG_compile_unit
+; BOLT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-fA-F]+}}] = "mainOther.dwo.dwo")
+; BOLT-NEXT: DW_AT_GNU_dwo_id
+; BOLT-NEXT: DW_AT_GNU_ranges_base [DW_FORM_sec_offset]  (0x00000190)
+; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
+; BOLT-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000090
+; BOLT-NEXT: [0x[[#ADDR8]], 0x[[#ADDRB8]])
+; BOLT-NEXT: [0x[[#ADDR9]], 0x[[#ADDRB9]])
+; BOLT-NEXT: [0x[[#ADDR10]], 0x[[#ADDRB10]])
+; BOLT-NEXT: [0x[[#ADDR11]], 0x[[#ADDRB11]])
+; BOLT-NEXT: [0x[[#ADDR12]], 0x[[#ADDRB12]])
+; BOLT-NEXT: [0x[[#ADDR13]], 0x[[#ADDRB13]])
+; BOLT-NEXT: [0x[[#ADDR14]], 0x[[#ADDRB14]])
+; BOLT-NEXT: DW_AT_GNU_addr_base [DW_FORM_sec_offset]  (0x00000018)
+; BOLT: {{^$}}
diff --git a/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus.test b/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus.test
index a97377400eeb7..6c673c9889139 100644
--- a/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus.test
+++ b/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus.test
@@ -6,7 +6,7 @@
 ; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-input-lowpc-ranges-other.s \
 ; RUN: -split-dwarf-file=mainOther.dwo -o other.o
 ; RUN: %clang %cflags -gdwarf-4 -gsplit-dwarf=split main.o other.o -o main.exe
-; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections
+; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections --cu-processing-batch-size=1
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-ranges main.exe.bolt &> %t/foo.txt
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.exe.bolt >> %t/foo.txt
 ; RUN: cat %t/foo.txt | FileCheck -check-prefix=BOLT %s

