llvm/test/CodeGen/X86/extmul64.ll
Dan Gohman dde01ec409 These two tests now require only two multiply instructions,
instead of four.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42784 91177308-0d34-0410-b5e6-96231b3b80d8
2007-10-09 15:39:37 +00:00

15 lines
335 B
LLVM

; 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
}