[PATCH] D150848: [clang-format] Respect ColumnLimit 0 lines breaks in inline asm

[Emilia Kond via Phabricator via cfe-commits]

rymiel updated this revision to Diff 530486.
rymiel added a comment.

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Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150848/new/

https://reviews.llvm.org/D150848

Files:
  clang/lib/Format/ContinuationIndenter.cpp
  clang/unittests/Format/FormatTest.cpp


Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -4617,6 +4617,24 @@
             format("__asm   {\n"
                    "}\n"
                    "int   i;"));
+
+  auto Style = getLLVMStyleWithColumns(0);
+  const StringRef Code1{"asm(\"xyz\" : \"=a\"(a), \"=d\"(b) : \"a\"(data));"};
+  const StringRef Code2{"asm(\"xyz\"\n"
+                        "    : \"=a\"(a), \"=d\"(b)\n"
+                        "    : \"a\"(data));"};
+  const StringRef Code3{"asm(\"xyz\" : \"=a\"(a), \"=d\"(b)\n"
+                        "    : \"a\"(data));"};
+
+  Style.BreakBeforeInlineASMColon = FormatStyle::BBIAS_OnlyMultiline;
+  verifyFormat(Code1, Style);
+  EXPECT_EQ(Code2, format(Code2, Style));
+  EXPECT_EQ(Code3, format(Code3, Style));
+
+  Style.BreakBeforeInlineASMColon = FormatStyle::BBIAS_Always;
+  EXPECT_EQ(Code2, format(Code1, Style));
+  EXPECT_EQ(Code2, format(Code2, Style));
+  EXPECT_EQ(Code2, format(Code3, Style));
 }
 
 TEST_F(FormatTest, FormatTryCatch) {
Index: clang/lib/Format/ContinuationIndenter.cpp
===================================================================
--- clang/lib/Format/ContinuationIndenter.cpp
+++ clang/lib/Format/ContinuationIndenter.cpp
@@ -357,7 +357,8 @@
   if (Current.MustBreakBefore ||
       (Current.is(TT_InlineASMColon) &&
        (Style.BreakBeforeInlineASMColon == FormatStyle::BBIAS_Always ||
-        Style.BreakBeforeInlineASMColon == FormatStyle::BBIAS_OnlyMultiline))) {
+        (Style.BreakBeforeInlineASMColon == FormatStyle::BBIAS_OnlyMultiline &&
+         Style.ColumnLimit > 0)))) {
     return true;
   }
   if (CurrentState.BreakBeforeClosingBrace &&


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