From dde01ec40987ff3f187f0cff43cbbe52ea06615e Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Tue, 9 Oct 2007 15:39:37 +0000 Subject: 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 --- test/CodeGen/X86/extmul128.ll | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 test/CodeGen/X86/extmul128.ll (limited to 'test/CodeGen/X86/extmul128.ll') diff --git a/test/CodeGen/X86/extmul128.ll b/test/CodeGen/X86/extmul128.ll new file mode 100644 index 0000000000..df487659ed --- /dev/null +++ b/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 +} -- cgit v1.2.3