These two tests now require only two multiply instructions,
instead of four.
llvm-svn: 42784
diff --git a/llvm/test/CodeGen/X86/extmul128.ll b/llvm/test/CodeGen/X86/extmul128.ll
new file mode 100644
index 0000000..df48765
--- /dev/null
+++ b/llvm/test/CodeGen/X86/extmul128.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep mul | count 2
+
+define i128 @i64_sext_i128(i64 %a, i64 %b) {
+ %aa = sext i64 %a to i128
+ %bb = sext i64 %b to i128
+ %cc = mul i128 %aa, %bb
+ ret i128 %cc
+}
+define i128 @i64_zext_i128(i64 %a, i64 %b) {
+ %aa = zext i64 %a to i128
+ %bb = zext i64 %b to i128
+ %cc = mul i128 %aa, %bb
+ ret i128 %cc
+}