Author: djg Date: Tue Oct 9 10:39:37 2007 New Revision: 42784 URL: http://llvm.org/viewvc/llvm-project?rev=42784&view=rev Log: These two tests now require only two multiply instructions, instead of four.
Added: llvm/trunk/test/CodeGen/X86/extmul128.ll llvm/trunk/test/CodeGen/X86/extmul64.ll Added: llvm/trunk/test/CodeGen/X86/extmul128.ll URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/extmul128.ll?rev=42784&view=auto ============================================================================== --- llvm/trunk/test/CodeGen/X86/extmul128.ll (added) +++ llvm/trunk/test/CodeGen/X86/extmul128.ll Tue Oct 9 10:39:37 2007 @@ -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 +} Added: llvm/trunk/test/CodeGen/X86/extmul64.ll URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/extmul64.ll?rev=42784&view=auto ============================================================================== --- llvm/trunk/test/CodeGen/X86/extmul64.ll (added) +++ llvm/trunk/test/CodeGen/X86/extmul64.ll Tue Oct 9 10:39:37 2007 @@ -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 +} _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits