fix PR6780, properly handling the IR {|} escapes in inline asm strings.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100449 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Stmt.cpp b/lib/AST/Stmt.cpp
index 8347249..9702382 100644
--- a/lib/AST/Stmt.cpp
+++ b/lib/AST/Stmt.cpp
@@ -249,14 +249,18 @@
}
char CurChar = *CurPtr++;
- if (CurChar == '$') {
- CurStringPiece += "$$";
- continue;
- } else if (CurChar != '%') {
+ switch (CurChar) {
+ case '$': CurStringPiece += "$$"; continue;
+ case '{': CurStringPiece += "$("; continue;
+ case '|': CurStringPiece += "$|"; continue;
+ case '}': CurStringPiece += "$)"; continue;
+ case '%':
+ break;
+ default:
CurStringPiece += CurChar;
continue;
}
-
+
// Escaped "%" character in asm string.
if (CurPtr == StrEnd) {
// % at end of string is invalid (no escape).
diff --git a/test/CodeGen/asm.c b/test/CodeGen/asm.c
index bf1c806..ace0db9 100644
--- a/test/CodeGen/asm.c
+++ b/test/CodeGen/asm.c
@@ -135,3 +135,15 @@
// CHECK-NEXT: extractvalue
// CHECK-NEXT: extractvalue
}
+
+
+// PR6780
+int t19(unsigned data) {
+ int a, b;
+
+ asm("x{abc|def|ghi}z" :"=r"(a): "r"(data));
+ return a + b;
+ // CHECK: t19(i32
+ // CHECK: = call {{.*}}asm "x$(abc$|def$|ghi$)z"
+}
+