llvm/test/CodeGen/X86/extmul128.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
350 B
LLVM

; 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
}