rebase

Author: PanTao2

llvm/test/CodeGen/AArch64/arm64ec-indirect-call.ll

@@ -32,6 +32,7 @@ define void @stackguard(ptr %g) sspreq {
 ; CHECK-NEXT:     adrp    x8, __security_cookie
 ; CHECK-NEXT:     ldr     x10, [sp, #8]
 ; CHECK-NEXT:     ldr     x8, [x8, :lo12:__security_cookie]
+; CHECK-NEXT:     sub     x8, sp, x8
 ; CHECK-NEXT:     cmp     x8, x10
 ; CHECK-NEXT:     b.ne    .LBB1_2
 ; CHECK-NEXT: // %bb.1:

llvm/test/CodeGen/AArch64/mingw-refptr.ll

@@ -118,31 +118,27 @@ define dso_local void @sspFunc() #0 {
 ; CHECK-NEXT:  // %bb.0: // %entry
 ; CHECK-NEXT:    sub sp, sp, #32
 ; CHECK-NEXT:    .seh_stackalloc 32
-; CHECK-NEXT:    str x19, [sp, #16] // 8-byte Spill
-; CHECK-NEXT:    .seh_save_reg x19, 16
-; CHECK-NEXT:    str x30, [sp, #24] // 8-byte Spill
-; CHECK-NEXT:    .seh_save_reg x30, 24
+; CHECK-NEXT:    str x30, [sp, #16] // 8-byte Spill
+; CHECK-NEXT:    .seh_save_reg x30, 16
 ; CHECK-NEXT:    .seh_endprologue
-; CHECK-NEXT:    adrp x19, .refptr.__stack_chk_guard
-; CHECK-NEXT:    mov x9, sp
+; CHECK-NEXT:    adrp x8, .refptr.__stack_chk_guard
 ; CHECK-NEXT:    add x0, sp, #7
-; CHECK-NEXT:    ldr x19, [x19, :lo12:.refptr.__stack_chk_guard]
-; CHECK-NEXT:    ldr x8, [x19]
-; CHECK-NEXT:    eor x8, x8, x9
+; CHECK-NEXT:    ldr x8, [x8, :lo12:.refptr.__stack_chk_guard]
+; CHECK-NEXT:    ldr x8, [x8]
+; CHECK-NEXT:    sub x8, sp, x8
 ; CHECK-NEXT:    str x8, [sp, #8]
 ; CHECK-NEXT:    bl ptrUser
+; CHECK-NEXT:    adrp x8, .refptr.__stack_chk_guard
+; CHECK-NEXT:    ldr x8, [x8, :lo12:.refptr.__stack_chk_guard]
 ; CHECK-NEXT:    ldr x9, [sp, #8]
-; CHECK-NEXT:    mov x8, sp
-; CHECK-NEXT:    ldr x10, [x19]
-; CHECK-NEXT:    eor x8, x9, x8
-; CHECK-NEXT:    cmp x10, x8
+; CHECK-NEXT:    ldr x8, [x8]
+; CHECK-NEXT:    sub x8, sp, x8
+; CHECK-NEXT:    cmp x8, x9
 ; CHECK-NEXT:    b.ne .LBB6_2
 ; CHECK-NEXT:  // %bb.1: // %entry
 ; CHECK-NEXT:    .seh_startepilogue
-; CHECK-NEXT:    ldr x30, [sp, #24] // 8-byte Reload
-; CHECK-NEXT:    .seh_save_reg x30, 24
-; CHECK-NEXT:    ldr x19, [sp, #16] // 8-byte Reload
-; CHECK-NEXT:    .seh_save_reg x19, 16
+; CHECK-NEXT:    ldr x30, [sp, #16] // 8-byte Reload
+; CHECK-NEXT:    .seh_save_reg x30, 16
 ; CHECK-NEXT:    add sp, sp, #32
 ; CHECK-NEXT:    .seh_stackalloc 32
 ; CHECK-NEXT:    .seh_endepilogue