[Xtensa] Fix cpus test.

Author: andreisfr

llvm/test/CodeGen/Xtensa/cpus-invalid.ll

@@ -1,8 +1,7 @@
-
 ; RUN: llc < %s --mtriple=xtensa --mcpu=invalid 2>&1 | FileCheck %s
 
 ; CHECK: {{.*}} is not a recognized processor for this target
 
 define void @f() {
   ret void
-}
+}

llvm/test/CodeGen/Xtensa/cpus.ll

@@ -1,12 +1,29 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
 ; This tests that llc accepts all valid Xtensa CPUs
 
-; RUN: llc < %s --mtriple=xtensa --mcpu=esp8266 2>&1 | FileCheck %s
-; RUN: llc < %s --mtriple=xtensa --mcpu=esp32 2>&1 | FileCheck %s
-; RUN: llc < %s --mtriple=xtensa --mcpu=generic 2>&1 | FileCheck %s
-
-; CHECK-NOT: {{.*}}  is not a recognized processor for this target
-; INVALID: {{.*}}  is not a recognized processor for this target
+; RUN: llc < %s --mtriple=xtensa --mcpu=esp8266 2>&1 | FileCheck -check-prefix=XTENSA-ESP8266  %s
+; RUN: llc < %s --mtriple=xtensa --mcpu=esp32 2>&1 | FileCheck -check-prefix=XTENSA-ESP32 %s
+; RUN: llc < %s --mtriple=xtensa --mcpu=generic 2>&1 | FileCheck -check-prefix=XTENSA-GENERIC %s
 
 define i32 @f(i32 %z) {
-	ret i32 0
+; XTENSA-ESP8266-LABEL: f:
+; XTENSA-ESP8266:         .cfi_startproc
+; XTENSA-ESP8266-NEXT:  # %bb.0:
+; XTENSA-ESP8266-NEXT:    movi a2, 0
+; XTENSA-ESP8266-NEXT:    ret
+;
+; XTENSA-ESP32-LABEL: f:
+; XTENSA-ESP32:         .cfi_startproc
+; XTENSA-ESP32-NEXT:  # %bb.0:
+; XTENSA-ESP32-NEXT:    entry a1, 32
+; XTENSA-ESP32-NEXT:    .cfi_def_cfa_offset 32
+; XTENSA-ESP32-NEXT:    movi a2, 0
+; XTENSA-ESP32-NEXT:    retw.n
+;
+; XTENSA-GENERIC-LABEL: f:
+; XTENSA-GENERIC:         .cfi_startproc
+; XTENSA-GENERIC-NEXT:  # %bb.0:
+; XTENSA-GENERIC-NEXT:    movi a2, 0
+; XTENSA-GENERIC-NEXT:    ret
+  ret i32 0
 }