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These two tests now require only two multiply instructions, 

instead of four.

llvm-svn: 42784
This commit is contained in:
Dan Gohman 2007-10-09 15:39:37 +00:00
parent 82bc90ac60
commit 678387a299
2 changed files with 28 additions and 0 deletions
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14
llvm/test/CodeGen/X86/extmul128.ll Normal file
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; 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
}

14
llvm/test/CodeGen/X86/extmul64.ll Normal file
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; 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
}