Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/ARM/pei-swiftself.mir

@@ -1,60 +0,0 @@
-# RUN: llc -o - %s -mtriple=arm-- -run-pass prologepilog | FileCheck %s
---- |
-  define swiftcc i8* @need_emergency_slot(i8 *swiftself %v) {
-    ; Just a dummy to add a swiftself bit. The real code is in the MI below.
-    unreachable
-  }
-...
----
-# CHECK-LABEL: name: need_emergency_slot
-# Make sure we do not just assume an unsaved/restored callee saved register
-# is free to use. Callee saved parameters may still be used if they were used
-# to pass arguments (as in swiftself).
-name: need_emergency_slot
-tracksRegLiveness: true
-stack:
-  - { id: 0, type: default, size: 8, alignment: 8 }
-  - { id: 1, type: default, size: 4096, alignment: 8 }
-body: |
-  bb.0:
-    liveins: %r10   ; swiftself parameter comes in as %r10
-
-    ; Bring up register pressure to force emergency spilling, coax scavenging
-    ; to use %r10 as that one is not spilled/restored.
-    %r0 = IMPLICIT_DEF
-    %r1 = IMPLICIT_DEF
-    %r2 = IMPLICIT_DEF
-    %r3 = IMPLICIT_DEF
-    %r4 = IMPLICIT_DEF
-    %r5 = IMPLICIT_DEF
-    %r6 = IMPLICIT_DEF
-    %r7 = IMPLICIT_DEF
-    %r8 = IMPLICIT_DEF
-    %r9 = IMPLICIT_DEF
-    %r11 = IMPLICIT_DEF
-    %r12 = IMPLICIT_DEF
-    %lr = IMPLICIT_DEF
-
-    ; Computing the large stack offset requires an extra register. We should
-    ; not just use %r10 for that.
-    ; CHECK-NOT: STRi12 %1,{{.*}}%r10
-
-    STRi12 %r1, %stack.0, 0, 14, %noreg :: (store 4)
-
-    ; use the swiftself parameter value.
-    KILL %r10
-
-    KILL %r0
-    KILL %r1
-    KILL %r2
-    KILL %r3
-    KILL %r4
-    KILL %r5
-    KILL %r6
-    KILL %r7
-    KILL %r8
-    KILL %r9
-    KILL %r11
-    KILL %r12
-    KILL %lr
-...