These two tests now require only two multiply instructions,

[oota-llvm.git] / test / CodeGen / X86 / extmul64.ll

diff --git a/test/CodeGen/X86/extmul64.ll b/test/CodeGen/X86/extmul64.ll
new file mode 100644 (file)
index 0000000..635da48
--- /dev/null
+++ b/test/CodeGen/X86/extmul64.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep mul | count 2
+
+define i64 @i32_sext_i64(i32 %a, i32 %b) {
+  %aa = sext i32 %a to i64
+  %bb = sext i32 %b to i64
+  %cc = mul i64 %aa, %bb
+  ret i64 %cc
+}
+define i64 @i32_zext_i64(i32 %a, i32 %b) {
+  %aa = zext i32 %a to i64
+  %bb = zext i32 %b to i64
+  %cc = mul i64 %aa, %bb
+  ret i64 %cc
+}