diff options
Diffstat (limited to 'llvm/test/MC/COFF/cv-fpo-realign.s')
| -rw-r--r-- | llvm/test/MC/COFF/cv-fpo-realign.s | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/llvm/test/MC/COFF/cv-fpo-realign.s b/llvm/test/MC/COFF/cv-fpo-realign.s new file mode 100644 index 00000000000..247cad9334b --- /dev/null +++ b/llvm/test/MC/COFF/cv-fpo-realign.s @@ -0,0 +1,199 @@ +# RUN: llvm-mc -triple=i686-windows-msvc -filetype=obj < %s | llvm-readobj -codeview | FileCheck %s + +# Test for .cv_fpo_stackalign. We should generate FPO data that restores CSRs +# at each instruction, and in the last FrameData we should use the '@' +# alignment operator to define $T0, the vframe value. + +# Based on this C code: +# void usevals(int, int, double*); +# int realign_with_csrs() { +# int a = getval(); +# int b = getval(); +# double __declspec(align(8)) force_alignment = 0.42; +# usevals(a, b, &force_alignment); +# return a + b; +# } + +# CHECK: Subsection [ +# CHECK: SubSectionType: Symbols (0xF1) +# CHECK: Compile3Sym { +# CHECK: Kind: S_COMPILE3 (0x113C) +# CHECK: } +# CHECK: ] +# CHECK: Subsection [ +# CHECK: SubSectionType: FrameData (0xF5) +# CHECK: FrameData { +# CHECK: FrameFunc [ +# CHECK: $T0 .raSearch = +# CHECK: $eip $T0 ^ = +# CHECK: $esp $T0 4 + = +# CHECK: ] +# CHECK: } +# CHECK: FrameData { +# CHECK: FrameFunc [ +# CHECK: $T0 .raSearch = +# CHECK: $eip $T0 ^ = +# CHECK: $esp $T0 4 + = +# CHECK: $ebp $T0 4 - ^ = +# CHECK: ] +# CHECK: } +# CHECK: FrameData { +# CHECK: FrameFunc [ +# CHECK: $T0 $ebp 4 + = +# CHECK: $eip $T0 ^ = +# CHECK: $esp $T0 4 + = +# CHECK: $ebp $T0 4 - ^ = +# CHECK: ] +# CHECK: } +# CHECK: FrameData { +# CHECK: FrameFunc [ +# CHECK: $T0 $ebp 4 + = +# CHECK: $eip $T0 ^ = +# CHECK: $esp $T0 4 + = +# CHECK: $ebp $T0 4 - ^ = +# CHECK: $edi $T0 8 - ^ = +# CHECK: ] +# CHECK: } +# CHECK: FrameData { +# CHECK: FrameFunc [ +# CHECK: $T0 $ebp 4 + = +# CHECK: $eip $T0 ^ = +# CHECK: $esp $T0 4 + = +# CHECK: $ebp $T0 4 - ^ = +# CHECK: $edi $T0 8 - ^ = +# CHECK: $esi $T0 12 - ^ = +# CHECK: ] +# CHECK: } +# CHECK: FrameData { +# CHECK: FrameFunc [ +# CHECK: $T1 $ebp 4 + = +# CHECK: $T0 $T1 12 - 8 @ = +# CHECK: $eip $T1 ^ = +# CHECK: $esp $T1 4 + = +# CHECK: $ebp $T1 4 - ^ = +# CHECK: $edi $T1 8 - ^ = +# CHECK: $esi $T1 12 - ^ = +# CHECK: ] +# CHECK: } +# CHECK: ] +# CHECK: Subsection [ +# CHECK: SubSectionType: Symbols (0xF1) +# CHECK: ] +# CHECK: Subsection [ +# CHECK: SubSectionType: FileChecksums (0xF4) +# CHECK: ] +# CHECK: Subsection [ +# CHECK: SubSectionType: StringTable (0xF3) +# CHECK: ] + + .text + .def _realign_with_csrs; .scl 2; .type 32; .endef + .globl _realign_with_csrs # -- Begin function realign_with_csrs +_realign_with_csrs: # @realign_with_csrs +Lfunc_begin0: + .cv_func_id 0 + .cv_file 1 "C:\\src\\llvm-project\\build\\t.c" "2A4F9B6BBBF7845521201755D1B14ACC" 1 + .cv_loc 0 1 4 0 # t.c:4:0 + .cv_fpo_proc _realign_with_csrs 0 +# %bb.0: # %entry + pushl %ebp + .cv_fpo_pushreg %ebp + movl %esp, %ebp + .cv_fpo_setframe %ebp +Ltmp0: + pushl %edi + .cv_fpo_pushreg %edi + pushl %esi + .cv_fpo_pushreg %esi + andl $-8, %esp + .cv_fpo_stackalign 8 + subl $8, %esp + .cv_fpo_stackalloc 8 + .cv_fpo_endprologue + .cv_loc 0 1 5 0 # t.c:5:0 + calll _getval + movl %eax, %esi + .cv_loc 0 1 6 0 # t.c:6:0 + calll _getval + movl %eax, %edi + movl %esp, %eax + .cv_loc 0 1 7 0 # t.c:7:0 + movl $1071309127, 4(%esp) # imm = 0x3FDAE147 + movl $-1374389535, (%esp) # imm = 0xAE147AE1 + .cv_loc 0 1 8 0 # t.c:8:0 + pushl %eax + pushl %edi + pushl %esi + calll _usevals + addl $12, %esp + .cv_loc 0 1 9 0 # t.c:9:0 + addl %esi, %edi + movl %edi, %eax + leal -8(%ebp), %esp + popl %esi + popl %edi + popl %ebp + retl +Ltmp1: + .cv_fpo_endproc +Lfunc_end0: + # -- End function + .section .debug$S,"dr" + .p2align 2 + .long 4 # Debug section magic + .long 241 + .long Ltmp3-Ltmp2 # Subsection size +Ltmp2: + .short Ltmp5-Ltmp4 # Record length +Ltmp4: + .short 4412 # Record kind: S_COMPILE3 + .long 0 # Flags and language + .short 7 # CPUType + .short 8 # Frontend version + .short 0 + .short 0 + .short 0 + .short 8000 # Backend version + .short 0 + .short 0 + .short 0 + .asciz "clang version 8.0.0 " # Null-terminated compiler version string +Ltmp5: +Ltmp3: + .p2align 2 + .cv_fpo_data _realign_with_csrs + .long 241 # Symbol subsection for realign_with_csrs + .long Ltmp7-Ltmp6 # Subsection size +Ltmp6: + .short Ltmp9-Ltmp8 # Record length +Ltmp8: + .short 4423 # Record kind: S_GPROC32_ID + .long 0 # PtrParent + .long 0 # PtrEnd + .long 0 # PtrNext + .long Lfunc_end0-_realign_with_csrs # Code size + .long 0 # Offset after prologue + .long 0 # Offset before epilogue + .long 0 # Function type index + .secrel32 _realign_with_csrs # Function section relative address + .secidx _realign_with_csrs # Function section index + .byte 0 # Flags + .asciz "realign_with_csrs" # Function name +Ltmp9: + .short Ltmp11-Ltmp10 # Record length +Ltmp10: + .short 4114 # Record kind: S_FRAMEPROC + .long 12 # FrameSize + .long 0 # Padding + .long 0 # Offset of padding + .long 8 # Bytes of callee saved registers + .long 0 # Exception handler offset + .short 0 # Exception handler section + .long 1196032 # Flags (defines frame register) +Ltmp11: + .short 2 # Record length + .short 4431 # Record kind: S_PROC_ID_END +Ltmp7: + .p2align 2 + .cv_filechecksums # File index to string table offset subsection + .cv_stringtable # String table |
