; REQUIRES: x86-registered-target ; RUN: opt < %s -passes=pseudo-probe -function-sections -S -o %t ; RUN: FileCheck %s < %t --check-prefix=CHECK-IL ; RUN: llc %t -mtriple=x86_64-- -stop-after=pseudo-probe-inserter -o - | FileCheck %s --check-prefix=CHECK-MIR ; For ELF. ; RUN: llc %t -function-sections -mtriple=x86_64-unknown-linux-gnu -filetype=asm -o %t1 ; RUN: FileCheck %s < %t1 --check-prefixes=CHECK-ASM,CHECK-ASM-ELF ; RUN: llc %t -function-sections -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t2 ; RUN: llvm-readelf -S -g %t2 | FileCheck %s --check-prefix=CHECK-SEC-ELF ; RUN: llvm-mc %t1 -triple=x86_64-unknown-linux-gnu -filetype=obj -o %t3 ; RUN: llvm-readelf -S -g %t3 | FileCheck %s --check-prefix=CHECK-SEC-ELF ; RUN: llc %t -function-sections -mtriple=x86_64-unknown-linux-gnu -unique-section-names=0 -filetype=obj -o %t4 ; RUN: llvm-readelf -S %t4 | FileCheck %s --check-prefix=CHECK-SEC2-ELF ; For COFF. ; RUN: llc %t -function-sections -mtriple=x86_64-unknown-windows-msvc -filetype=asm -o %t1 ; RUN: FileCheck %s < %t1 --check-prefixes=CHECK-ASM,CHECK-ASM-COFF ; RUN: llc %t -function-sections -mtriple=x86_64-unknown-windows-msvc -filetype=obj -o %t2 ; RUN: llvm-readobj -Ss %t2 | FileCheck %s --check-prefix=CHECK-SEC-COFF ; RUN: llvm-mc %t1 -triple=x86_64-unknown-windows-msvc -filetype=obj -o %t3 ; RUN: llvm-readobj -Ss %t3 | FileCheck %s --check-prefix=CHECK-SEC-COFF ;; Check the generation of pseudoprobe intrinsic call. @a = dso_local global i32 0, align 4 define void @foo(i32 %x) !dbg !3 { bb0: %cmp = icmp eq i32 %x, 0 ; CHECK-IL-LABEL: void @foo(i32 %x) !dbg ![[#]] { ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 1, i32 0, i64 -1), !dbg ![[#FAKELINE:]] ; CHECK-MIR: PSEUDO_PROBE [[#GUID:]], 1, 0, 0 ; CHECK-ASM: .pseudoprobe [[#GUID:]] 1 0 0 foo br i1 %cmp, label %bb1, label %bb2 bb1: ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 2, i32 0, i64 -1), !dbg ![[#FAKELINE]] ; CHECK-MIR: PSEUDO_PROBE [[#GUID]], 3, 0, 0 ; CHECK-MIR: PSEUDO_PROBE [[#GUID]], 4, 0, 0 ; CHECK-ASM: .pseudoprobe [[#GUID]] 3 0 0 foo ; CHECK-ASM: .pseudoprobe [[#GUID]] 4 0 0 foo store i32 6, ptr @a, align 4 br label %bb3 bb2: ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 3, i32 0, i64 -1), !dbg ![[#FAKELINE]] ; CHECK-MIR: PSEUDO_PROBE [[#GUID]], 2, 0, 0 ; CHECK-MIR: PSEUDO_PROBE [[#GUID]], 4, 0, 0 ; CHECK-ASM: .pseudoprobe [[#GUID]] 2 0 0 foo ; CHECK-ASM: .pseudoprobe [[#GUID]] 4 0 0 foo store i32 8, ptr @a, align 4 br label %bb3 bb3: ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID]], i64 4, i32 0, i64 -1), !dbg ![[#REALLINE:]] ret void, !dbg !12 } declare void @bar(i32 %x) define internal void @foo2(ptr %f) !dbg !4 { entry: ; CHECK-IL-LABEL: void @foo2(ptr %f) !dbg ![[#]] { ; CHECK-IL: call void @llvm.pseudoprobe(i64 [[#GUID2:]], i64 1, i32 0, i64 -1) ; CHECK-MIR: PSEUDO_PROBE [[#GUID2:]], 1, 0, 0 ; CHECK-ASM: .pseudoprobe [[#GUID2:]] 1 0 0 foo2 ; Check pseudo_probe metadata attached to the indirect call instruction. ; CHECK-IL: call void %f(i32 1), !dbg ![[#PROBE0:]] ; CHECK-MIR: PSEUDO_PROBE [[#GUID2]], 2, 1, 0 ; CHECK-ASM: .pseudoprobe [[#GUID2]] 2 1 0 foo2 call void %f(i32 1), !dbg !13 ; Check pseudo_probe metadata attached to the direct call instruction. ; CHECK-IL: call void @bar(i32 1), !dbg ![[#PROBE1:]] ; CHECK-MIR: PSEUDO_PROBE [[#GUID2]], 3, 2, 0 ; CHECK-ASM: .pseudoprobe [[#GUID2]] 3 2 0 foo2 call void @bar(i32 1) ret void } $foo3 = comdat any define void @foo3(i32 %x) comdat { entry: ret void } ; CHECK-IL: Function Attrs: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) ; CHECK-IL-NEXT: declare void @llvm.pseudoprobe(i64, i64, i32, i64) ; CHECK-IL: ![[#FOO:]] = distinct !DISubprogram(name: "foo" ; CHECK-IL: ![[#FAKELINE]] = !DILocation(line: 0, scope: ![[#FOO]]) ; CHECK-IL: ![[#REALLINE]] = !DILocation(line: 2, scope: ![[#DISC0:]]) ; CHECK-IL: ![[#DISC0]] = !DILexicalBlockFile(scope: ![[#FOO]], file: ![[#]], discriminator: 0) ; CHECK-IL: ![[#PROBE0]] = !DILocation(line: 2, column: 20, scope: ![[#SCOPE0:]]) ;; A discriminator of 387973143 which is 0x17200017 in hexdecimal, stands for a direct call probe ;; with an index of 2. ; CHECK-IL: ![[#SCOPE0]] = !DILexicalBlockFile(scope: ![[#]], file: ![[#]], discriminator: 387973143) ; CHECK-IL: ![[#PROBE1]] = !DILocation(line: 0, scope: ![[#SCOPE1:]]) ;; A discriminator of 455082015 which is 0x1b20001f in hexdecimal, stands for a direct call probe ;; with an index of 3. ; CHECK-IL: ![[#SCOPE1]] = !DILexicalBlockFile(scope: ![[#]], file: ![[#]], discriminator: 455082015) ; Check the generation of .pseudo_probe_desc section ; CHECK-ASM-ELF: .section .pseudo_probe_desc,"G",@progbits,.pseudo_probe_desc_foo.{{[0-9a-f]+}},comdat ; CHECK-ASM-ELF-NEXT: .quad [[#GUID]] ; CHECK-ASM-ELF-NEXT: .quad [[#HASH:]] ; CHECK-ASM-ELF-NEXT: .byte 3 ; CHECK-ASM-ELF-NEXT: .ascii "foo" ; CHECK-ASM-ELF-NEXT: .section .pseudo_probe_desc,"G",@progbits,.pseudo_probe_desc_foo2.{{[0-9a-f]+}},comdat ; CHECK-ASM-ELF-NEXT: .quad [[#GUID2]] ; CHECK-ASM-ELF-NEXT: .quad [[#HASH2:]] ; CHECK-ASM-ELF-NEXT: .byte 4 ; CHECK-ASM-ELF-NEXT: .ascii "foo2" ; CHECK-ASM-COFF: .section .pseudo_probe_desc,"drD",same_contents,.pseudo_probe_desc_foo.{{[0-9a-f]+}} ; CHECK-ASM-COFF-NEXT: .globl .pseudo_probe_desc_foo.{{[0-9a-f]+}} ; CHECK-ASM-COFF-NEXT: .pseudo_probe_desc_foo.{{[0-9a-f]+}}: ; CHECK-ASM-COFF-NEXT: .quad [[#GUID]] ; CHECK-ASM-COFF-NEXT: .quad [[#HASH:]] ; CHECK-ASM-COFF-NEXT: .byte 3 ; CHECK-ASM-COFF-NEXT: .ascii "foo" ; CHECK-ASM-COFF-NEXT: .section .pseudo_probe_desc,"drD",same_contents,.pseudo_probe_desc_foo2.{{[0-9a-f]+}} ; CHECK-ASM-COFF-NEXT: .globl .pseudo_probe_desc_foo2.{{[0-9a-f]+}} ; CHECK-ASM-COFF-NEXT: .pseudo_probe_desc_foo2.{{[0-9a-f]+}}: ; CHECK-ASM-COFF-NEXT: .quad [[#GUID2]] ; CHECK-ASM-COFF-NEXT: .quad [[#HASH2:]] ; CHECK-ASM-COFF-NEXT: .byte 4 ; CHECK-ASM-COFF-NEXT: .ascii "foo2" ; CHECK-SEC-ELF: [Nr] Name Type {{.*}} ES Flg Lk Inf Al ; CHECK-SEC-ELF: [ 3] .text.foo PROGBITS {{.*}} 00 AX 0 0 16 ; CHECK-SEC-ELF: [ 5] .text.foo2 PROGBITS {{.*}} 00 AX 0 0 16 ; CHECK-SEC-ELF: [ 8] .text.foo3 PROGBITS {{.*}} 00 AXG 0 0 1 ; CHECK-SEC-ELF-COUNT-3: .pseudo_probe_desc PROGBITS ; CHECK-SEC-ELF: .pseudo_probe PROGBITS {{.*}} 00 L 3 0 1 ; CHECK-SEC-ELF-NEXT: .pseudo_probe PROGBITS {{.*}} 00 L 5 0 1 ; CHECK-SEC-ELF-NEXT: .pseudo_probe PROGBITS {{.*}} 00 LG 8 0 1 ; CHECK-SEC-ELF-NOT: .rela.pseudo_probe ; CHECK-SEC-ELF: COMDAT group section [ 7] `.group' [foo3] contains 2 sections: ; CHECK-SEC-ELF-NEXT: [Index] Name ; CHECK-SEC-ELF-NEXT: [ 8] .text.foo3 ; CHECK-SEC-ELF-NEXT: [ 21] .pseudo_probe ; CHECK-SEC-ELF-EMPTY: ; CHECK-SEC-ELF-NEXT: COMDAT group section [ 10] `.group' [.pseudo_probe_desc_foo.{{[0-9a-f]+}}] contains 1 sections: ; CHECK-SEC-ELF-NEXT: [Index] Name ; CHECK-SEC-ELF-NEXT: [ 11] .pseudo_probe_desc ; CHECK-SEC-ELF-EMPTY: ; CHECK-SEC-ELF-NEXT: COMDAT group section [ 12] `.group' [.pseudo_probe_desc_foo2.{{[0-9a-f]+}}] contains 1 sections: ; CHECK-SEC-ELF-NEXT: [Index] Name ; CHECK-SEC-ELF-NEXT: [ 13] .pseudo_probe_desc ; CHECK-SEC-ELF-EMPTY: ; CHECK-SEC-ELF-NEXT: COMDAT group section [ 14] `.group' [.pseudo_probe_desc_foo3.{{[0-9a-f]+}}] contains 1 sections: ; CHECK-SEC-ELF-NEXT: [Index] Name ; CHECK-SEC-ELF-NEXT: [ 15] .pseudo_probe_desc ; CHECK-SEC2-ELF: [Nr] Name Type {{.*}} ES Flg Lk Inf Al ; CHECK-SEC2-ELF: [ 3] .text PROGBITS {{.*}} 00 AX 0 0 16 ; CHECK-SEC2-ELF: [ 5] .text PROGBITS {{.*}} 00 AX 0 0 16 ; CHECK-SEC2-ELF: [ 8] .text PROGBITS {{.*}} 00 AXG 0 0 1 ; CHECK-SEC2-ELF-COUNT-3: .pseudo_probe_desc PROGBITS ; CHECK-SEC2-ELF: .pseudo_probe PROGBITS {{.*}} 00 L 3 0 1 ; CHECK-SEC2-ELF-NEXT: .pseudo_probe PROGBITS {{.*}} 00 L 5 0 1 ; CHECK-SEC2-ELF-NEXT: .pseudo_probe PROGBITS {{.*}} 00 LG 8 0 1 ; CHECK-SEC2-ELF-NOT: .rela.pseudo_probe ; CHECK-SEC-COFF-LABEL: Sections [ ; CHECK-SEC-COFF: Number: 4 ; CHECK-SEC-COFF-NEXT: Name: .text ; CHECK-SEC-COFF: Number: 5 ; CHECK-SEC-COFF-NEXT: Name: .text ; CHECK-SEC-COFF: Number: 6 ; CHECK-SEC-COFF-NEXT: Name: .text ; CHECK-SEC-COFF: Number: 7 ; CHECK-SEC-COFF-NEXT: Name: .pseudo_probe_desc ; CHECK-SEC-COFF: Characteristics [ ; CHECK-SEC-COFF: IMAGE_SCN_CNT_INITIALIZED_DATA ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_LNK_COMDAT ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_DISCARDABLE ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_READ ; CHECK-SEC-COFF: Number: 8 ; CHECK-SEC-COFF-NEXT: Name: .pseudo_probe_desc ; CHECK-SEC-COFF: Characteristics [ ; CHECK-SEC-COFF: IMAGE_SCN_CNT_INITIALIZED_DATA ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_LNK_COMDAT ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_DISCARDABLE ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_READ ; CHECK-SEC-COFF: Number: 9 ; CHECK-SEC-COFF-NEXT: Name: .pseudo_probe_desc ; CHECK-SEC-COFF: Characteristics [ ; CHECK-SEC-COFF: IMAGE_SCN_CNT_INITIALIZED_DATA ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_LNK_COMDAT ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_DISCARDABLE ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_READ ; CHECK-SEC-COFF: Number: 13 ; CHECK-SEC-COFF-NEXT: Name: .pseudo_probe ; CHECK-SEC-COFF: Characteristics [ ; CHECK-SEC-COFF: IMAGE_SCN_CNT_INITIALIZED_DATA ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_LNK_COMDAT ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_DISCARDABLE ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_READ ; CHECK-SEC-COFF: Number: 14 ; CHECK-SEC-COFF-NEXT: Name: .pseudo_probe ; CHECK-SEC-COFF: Characteristics [ ; CHECK-SEC-COFF: IMAGE_SCN_CNT_INITIALIZED_DATA ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_LNK_COMDAT ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_DISCARDABLE ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_READ ; CHECK-SEC-COFF: Number: 15 ; CHECK-SEC-COFF-NEXT: Name: .pseudo_probe ; CHECK-SEC-COFF: Characteristics [ ; CHECK-SEC-COFF: IMAGE_SCN_CNT_INITIALIZED_DATA ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_LNK_COMDAT ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_DISCARDABLE ; CHECK-SEC-COFF-NEXT: IMAGE_SCN_MEM_READ ; COMDAT symbols ; CHECK-SEC-COFF-LABEL: Symbols [ ; CHECK-SEC-COFF: Name: foo ; CHECK-SEC-COFF: Section: .text (4) ; CHECK-SEC-COFF: } ; CHECK-SEC-COFF: Name: foo2 ; CHECK-SEC-COFF: Section: .text (5) ; CHECK-SEC-COFF: } ; CHECK-SEC-COFF: Name: foo3 ; CHECK-SEC-COFF: Section: .text (6) ; CHECK-SEC-COFF: } ; CHECK-SEC-COFF: Name: .pseudo_probe_desc_foo.{{[0-9a-f]+}} ; CHECK-SEC-COFF: Section: .pseudo_probe_desc (7) ; CHECK-SEC-COFF: StorageClass: Static ; CHECK-SEC-COFF: } ; CHECK-SEC-COFF: Name: .pseudo_probe_desc_foo2.{{[0-9a-f]+}} ; CHECK-SEC-COFF: Section: .pseudo_probe_desc (8) ; CHECK-SEC-COFF: StorageClass: Static ; CHECK-SEC-COFF: } ; CHECK-SEC-COFF: Name: .pseudo_probe_desc_foo3.{{[0-9a-f]+}} ; CHECK-SEC-COFF: Section: .pseudo_probe_desc (9) ; CHECK-SEC-COFF: StorageClass: Static ; CHECK-SEC-COFF: } ; Section symbols ; CHECK-SEC-COFF: Name: .pseudo_probe ; CHECK-SEC-COFF: Section: .pseudo_probe (13) ; CHECK-SEC-COFF: AuxSectionDef { ; CHECK-SEC-COFF: Selection: Associative ; CHECK-SEC-COFF-NEXT: AssocSection: .text (4) ; CHECK-SEC-COFF: } ; CHECK-SEC-COFF: Name: .pseudo_probe ; CHECK-SEC-COFF: Section: .pseudo_probe (14) ; CHECK-SEC-COFF: AuxSectionDef { ; CHECK-SEC-COFF: Selection: Associative ; CHECK-SEC-COFF-NEXT: AssocSection: .text (5) ; CHECK-SEC-COFF: } ; CHECK-SEC-COFF: Name: .pseudo_probe ; CHECK-SEC-COFF: Section: .pseudo_probe (15) ; CHECK-SEC-COFF: AuxSectionDef { ; CHECK-SEC-COFF: Selection: Associative ; CHECK-SEC-COFF-NEXT: AssocSection: .text (6) !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!9, !10} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1) !1 = !DIFile(filename: "test.c", directory: "") !2 = !{} !3 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, unit: !0, retainedNodes: !2) !4 = distinct !DISubprogram(name: "foo2", scope: !1, file: !1, line: 2, type: !5, unit: !0, retainedNodes: !2) !5 = !DISubroutineType(types: !6) !6 = !{!7} !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !9 = !{i32 2, !"Dwarf Version", i32 4} !10 = !{i32 2, !"Debug Info Version", i32 3} !11 = !{!"clang version 3.9.0"} !12 = !DILocation(line: 2, scope: !14) !13 = !DILocation(line: 2, column: 20, scope: !4) !14 = !DILexicalBlockFile(scope: !3, file: !1, discriminator: 1)