[UpdateChecks] Add support for armv7-apple-darwin

Jinsong Ji · Jinsong Ji · commit 7d78e5cc8115 · 2019-06-28T18:07:19.000Z
armv7-apple-darwin was not supported well, the script can't generate checks. https://reviews.llvm.org/D60601/new/#inline-568671 Differential Revision: https://reviews.llvm.org/D63939 llvm-svn: 364668
diff --git a/llvm/test/CodeGen/ARM/ldst-f32-2-i32.ll b/llvm/test/CodeGen/ARM/ldst-f32-2-i32.ll
@@ -1,17 +1,27 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
 ; Check if the f32 load / store pair are optimized to i32 load / store.
 ; rdar://8944252
 
 define void @t(i32 %width, float* nocapture %src, float* nocapture %dst, i32 %index) nounwind {
 ; CHECK-LABEL: t:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    cmp r0, #0
+; CHECK-NEXT:    bxeq lr
+; CHECK-NEXT:  LBB0_1: @ %bb
+; CHECK-NEXT:    @ =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    ldr r9, [r1], r3
+; CHECK-NEXT:    subs r0, r0, #1
+; CHECK-NEXT:    str r9, [r2], #4
+; CHECK-NEXT:    bne LBB0_1
+; CHECK-NEXT:  @ %bb.2: @ %return
+; CHECK-NEXT:    bx lr
 entry:
   %src6 = bitcast float* %src to i8*
   %0 = icmp eq i32 %width, 0
   br i1 %0, label %return, label %bb
 
 bb:
-; CHECK: ldr [[REGISTER:(r[0-9]+)]], [{{r[0-9]+}}], {{r[0-9]+}}
-; CHECK: str [[REGISTER]], [{{r[0-9]+}}], #4
   %j.05 = phi i32 [ %2, %bb ], [ 0, %entry ]
   %tmp = mul i32 %j.05, %index
   %uglygep = getelementptr i8, i8* %src6, i32 %tmp
diff --git a/llvm/utils/UpdateTestChecks/asm.py b/llvm/utils/UpdateTestChecks/asm.py
@@ -104,6 +104,14 @@ class string:
      r'^[ \t]*;[ \t]--[ \t]End[ \t]function',
      flags=(re.M | re.S))
 
+ASM_FUNCTION_ARM_DARWIN_RE = re.compile(
+     r'^[ \t]*\.globl[ \t]*_(?P<func>[^ \t])[ \t]*@[ \t]--[ \t]Begin[ \t]function[ \t](?P=func)'
+     r'(?P<directives>.*?)'
+     r'^_(?P=func):\n[ \t]*'
+     r'(?P<body>.*?)'
+     r'^[ \t]*@[ \t]--[ \t]End[ \t]function',
+     flags=(re.M | re.S ))
+
 ASM_FUNCTION_ARM_MACHO_RE = re.compile(
      r'^_(?P<func>[^:]+):[ \t]*\n'
      r'([ \t]*.cfi_startproc\n[ \t]*)?'
@@ -301,6 +309,7 @@ def build_function_body_dictionary_for_triple(args, raw_tool_output, triple, pre
       'arm64': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_RE),
       'arm64-apple-ios': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_DARWIN_RE),
       'armv7-apple-ios' : (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_IOS_RE),
+      'armv7-apple-darwin': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_DARWIN_RE),
       'thumb': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
       'thumb-macho': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_MACHO_RE),
       'thumbv5-macho': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_MACHO_RE),
