mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-23 15:29:51 +00:00
33eefffb2b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47432 91177308-0d34-0410-b5e6-96231b3b80d8
13 lines
469 B
LLVM
13 lines
469 B
LLVM
; RUN: llvm-as < %s | llc -march=x86 | grep lea
|
|
; RUN: llvm-as < %s | llc -march=x86 | not grep add
|
|
|
|
define i32 @test(i32 %X, i32 %Y) {
|
|
; Push the shl through the mul to allow an LEA to be formed, instead
|
|
; of using a shift and add separately.
|
|
%tmp.2 = shl i32 %X, 1 ; <i32> [#uses=1]
|
|
%tmp.3 = mul i32 %tmp.2, %Y ; <i32> [#uses=1]
|
|
%tmp.5 = add i32 %tmp.3, %Y ; <i32> [#uses=1]
|
|
ret i32 %tmp.5
|
|
}
|
|
|