mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 19:52:54 +01:00
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
|
|
}
|
|
|