+
−; RUN: llc < %s -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
+
−}