[llvm] 9298e40 - [X86] tailcc-ssp.ll - regenerate test checks to simplify diff for #95904

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Mon Jun 24 04:37:02 PDT 2024


Author: Simon Pilgrim
Date: 2024-06-24T12:36:47+01:00
New Revision: 9298e40f46e07bb348e310236c1b2f0359a224dc

URL: https://github.com/llvm/llvm-project/commit/9298e40f46e07bb348e310236c1b2f0359a224dc
DIFF: https://github.com/llvm/llvm-project/commit/9298e40f46e07bb348e310236c1b2f0359a224dc.diff

LOG: [X86] tailcc-ssp.ll - regenerate test checks to simplify diff for #95904

Added: 
    

Modified: 
    llvm/test/CodeGen/X86/tailcc-ssp.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/X86/tailcc-ssp.ll b/llvm/test/CodeGen/X86/tailcc-ssp.ll
index bb9b4429c0761..012c8aa5d969c 100644
--- a/llvm/test/CodeGen/X86/tailcc-ssp.ll
+++ b/llvm/test/CodeGen/X86/tailcc-ssp.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
 ; RUN: llc -mtriple=x86_64-windows-msvc %s -o - -verify-machineinstrs | FileCheck %s -check-prefix=WINDOWS
 ; RUN: llc -mtriple=x86_64-linux-gnu    %s -o - -verify-machineinstrs | FileCheck %s -check-prefix=LINUX
 
@@ -5,15 +6,42 @@ declare void @h(ptr, i64, ptr)
 
 define tailcc void @tailcall_frame(ptr %0, i64 %1) sspreq {
 ; WINDOWS-LABEL: tailcall_frame:
-; WINDOWS: callq __security_check_cookie
-; WINDOWS: xorl %ecx, %ecx
-; WINDOWS: jmp h
-
+; WINDOWS:       # %bb.0:
+; WINDOWS-NEXT:    subq $56, %rsp
+; WINDOWS-NEXT:    .seh_stackalloc 56
+; WINDOWS-NEXT:    .seh_endprologue
+; WINDOWS-NEXT:    movq __security_cookie(%rip), %rax
+; WINDOWS-NEXT:    xorq %rsp, %rax
+; WINDOWS-NEXT:    movq %rax, {{[0-9]+}}(%rsp)
+; WINDOWS-NEXT:    movq {{[0-9]+}}(%rsp), %rcx
+; WINDOWS-NEXT:    xorq %rsp, %rcx
+; WINDOWS-NEXT:    callq __security_check_cookie
+; WINDOWS-NEXT:    xorl %ecx, %ecx
+; WINDOWS-NEXT:    xorl %edx, %edx
+; WINDOWS-NEXT:    xorl %r8d, %r8d
+; WINDOWS-NEXT:    addq $56, %rsp
+; WINDOWS-NEXT:    jmp h # TAILCALL
+; WINDOWS-NEXT:    .seh_endproc
+;
 ; LINUX-LABEL: tailcall_frame:
-; LINUX: jne
-; LINUX: jmp h
-; LINUX: callq __stack_chk_fail
-
+; LINUX:       # %bb.0:
+; LINUX-NEXT:    subq $24, %rsp
+; LINUX-NEXT:    .cfi_def_cfa_offset 32
+; LINUX-NEXT:    movq %fs:40, %rax
+; LINUX-NEXT:    movq %rax, {{[0-9]+}}(%rsp)
+; LINUX-NEXT:    movq %fs:40, %rax
+; LINUX-NEXT:    cmpq {{[0-9]+}}(%rsp), %rax
+; LINUX-NEXT:    jne .LBB0_2
+; LINUX-NEXT:  # %bb.1: # %SP_return
+; LINUX-NEXT:    xorl %edi, %edi
+; LINUX-NEXT:    xorl %esi, %esi
+; LINUX-NEXT:    xorl %edx, %edx
+; LINUX-NEXT:    addq $24, %rsp
+; LINUX-NEXT:    .cfi_def_cfa_offset 8
+; LINUX-NEXT:    jmp h at PLT # TAILCALL
+; LINUX-NEXT:  .LBB0_2: # %CallStackCheckFailBlk
+; LINUX-NEXT:    .cfi_def_cfa_offset 32
+; LINUX-NEXT:    callq __stack_chk_fail at PLT
    tail call tailcc void @h(ptr null, i64 0, ptr null)
    ret void
 }
@@ -21,18 +49,39 @@ define tailcc void @tailcall_frame(ptr %0, i64 %1) sspreq {
 declare void @bar()
 define void @tailcall_unrelated_frame() sspreq {
 ; WINDOWS-LABEL: tailcall_unrelated_frame:
-; WINDOWS: subq [[STACK:\$.*]], %rsp
-; WINDOWS: callq bar
-; WINDOWS: callq __security_check_cookie
-; WINDOWS: addq [[STACK]], %rsp
-; WINDOWS: jmp bar
-
+; WINDOWS:       # %bb.0:
+; WINDOWS-NEXT:    subq $40, %rsp
+; WINDOWS-NEXT:    .seh_stackalloc 40
+; WINDOWS-NEXT:    .seh_endprologue
+; WINDOWS-NEXT:    movq __security_cookie(%rip), %rax
+; WINDOWS-NEXT:    xorq %rsp, %rax
+; WINDOWS-NEXT:    movq %rax, {{[0-9]+}}(%rsp)
+; WINDOWS-NEXT:    callq bar
+; WINDOWS-NEXT:    movq {{[0-9]+}}(%rsp), %rcx
+; WINDOWS-NEXT:    xorq %rsp, %rcx
+; WINDOWS-NEXT:    callq __security_check_cookie
+; WINDOWS-NEXT:    nop
+; WINDOWS-NEXT:    addq $40, %rsp
+; WINDOWS-NEXT:    jmp bar # TAILCALL
+; WINDOWS-NEXT:    .seh_endproc
+;
 ; LINUX-LABEL: tailcall_unrelated_frame:
-; LINUX: callq bar
-; LINUX: jne
-; LINUX: jmp bar
-; LINUX: callq __stack_chk_fail
-
+; LINUX:       # %bb.0:
+; LINUX-NEXT:    pushq %rax
+; LINUX-NEXT:    .cfi_def_cfa_offset 16
+; LINUX-NEXT:    movq %fs:40, %rax
+; LINUX-NEXT:    movq %rax, (%rsp)
+; LINUX-NEXT:    callq bar at PLT
+; LINUX-NEXT:    movq %fs:40, %rax
+; LINUX-NEXT:    cmpq (%rsp), %rax
+; LINUX-NEXT:    jne .LBB1_2
+; LINUX-NEXT:  # %bb.1: # %SP_return
+; LINUX-NEXT:    popq %rax
+; LINUX-NEXT:    .cfi_def_cfa_offset 8
+; LINUX-NEXT:    jmp bar at PLT # TAILCALL
+; LINUX-NEXT:  .LBB1_2: # %CallStackCheckFailBlk
+; LINUX-NEXT:    .cfi_def_cfa_offset 16
+; LINUX-NEXT:    callq __stack_chk_fail at PLT
   call void @bar()
   tail call void @bar()
   ret void


        


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