Author: ddunbar
Date: Fri Dec 12 13:12:02 2008
New Revision: 60960
URL: http://llvm.org/viewvc/llvm-project?rev=60960&view=rev
Log:
Add test case for using mmintrin (and making sure that inlining is
working with and without debug info).
Added:
cfe/trunk/test/CodeGen/mmintrin-test.c
Added: cfe/trunk/test/CodeGen/mmintrin-test.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/mmintrin-test.c?rev=60960&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/mmintrin-test.c (added)
+++ cfe/trunk/test/CodeGen/mmintrin-test.c Fri Dec 12 13:12:02 2008
@@ -0,0 +1,26 @@
+// RUN: clang -triple i386-apple-darwin9 -emit-llvm -o %t %s &&
+// RUN: grep define %t | count 1 &&
+// RUN: clang -triple i386-apple-darwin9 -g -emit-llvm -o %t %s &&
+// RUN: grep define %t | count 1
+
+#include <mmintrin.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+ int array[16] = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 };
+ __m64 *p = (__m64 *)array;
+
+ __m64 accum = _mm_setzero_si64();
+
+ for (int i=0; i<8; ++i)
+ accum = _mm_add_pi32(p[i], accum);
+
+ __m64 accum2 = _mm_unpackhi_pi32(accum, accum);
+ accum = _mm_add_pi32(accum, accum2);
+
+ int result = _mm_cvtsi64_si32(accum);
+ _mm_empty();
+ printf("%d\n", result );
+
+ return 0;
+}
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