[clang] [clang] Implement __builtin_rotate{left,right}g (PR #160259)

[Nikolas Klauser via cfe-commits]

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@@ -64,3 +101,39 @@ long long rotr64(long long x, unsigned long long y) {
   return __builtin_rotateright64(x, y);
 }
 
+// CHECK-LABEL: test_builtin_rotaterightg
+void test_builtin_rotaterightg(unsigned char uc, unsigned short us,
+                               unsigned int ui, unsigned long ul,
+                               unsigned long long ull, unsigned __int128 ui128,
+                               unsigned _BitInt(128) ubi128) {
+
+  volatile unsigned char result_uc;
+  volatile unsigned int result_ui;
+  volatile unsigned short result_us;
+  volatile unsigned long result_ul;
+  volatile unsigned long long result_ull;
+  volatile unsigned __int128 result_ui128;
+  volatile unsigned _BitInt(128) result_ubi128;
+
+  // CHECK: call i8 @llvm.fshr.i8(i8 %{{.*}}, i8 %{{.*}}, i8 3)
+  result_uc = __builtin_rotaterightg(uc, 3);
+
+  // CHECK: call i16 @llvm.fshr.i16(i16 %{{.*}}, i16 %{{.*}}, i16 5)
+  result_us = __builtin_rotaterightg(us, 5);
+
+  // CHECK: call i32 @llvm.fshr.i32(i32 %{{.*}}, i32 %{{.*}}, i32 8)
+  result_ui = __builtin_rotaterightg(ui, 8);
+
+  // CHECK: call i64 @llvm.fshr.i64(i64 %{{.*}}, i64 %{{.*}}, i64 8)
+  result_ul = __builtin_rotaterightg(ul, 8);
+
+  // CHECK: call i64 @llvm.fshr.i64(i64 %{{.*}}, i64 %{{.*}}, i64 16)
+  result_ull = __builtin_rotaterightg(ull, 16);
+
+  // CHECK: call i128 @llvm.fshr.i128(i128 %{{.*}}, i128 %{{.*}}, i128 32)
+  result_ui128 = __builtin_rotaterightg(ui128, 32);
+
+  // CHECK: call i128 @llvm.fshr.i128(i128 %{{.*}}, i128 %{{.*}}, i128 64)
+  result_ubi128 = __builtin_rotaterightg(ubi128, 64);
+
+}
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philnik777 wrote:

Missing newline!

https://github.com/llvm/llvm-project/pull/160259