mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
21 lines
933 B
LLVM
21 lines
933 B
LLVM
; Tests to make sure elimination of casts is working correctly
|
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | notcast
|
|
|
|
define i17 @test1(i17 %a) {
|
|
%tmp = zext i17 %a to i37 ; <i37> [#uses=2]
|
|
%tmp21 = lshr i37 %tmp, 8 ; <i37> [#uses=1]
|
|
%tmp5 = shl i37 %tmp, 8 ; <i37> [#uses=1]
|
|
%tmp.upgrd.32 = or i37 %tmp21, %tmp5 ; <i37> [#uses=1]
|
|
%tmp.upgrd.3 = trunc i37 %tmp.upgrd.32 to i17 ; <i17> [#uses=1]
|
|
ret i17 %tmp.upgrd.3
|
|
}
|
|
|
|
define i167 @test2(i167 %a) {
|
|
%tmp = zext i167 %a to i577 ; <i577> [#uses=2]
|
|
%tmp21 = lshr i577 %tmp, 9 ; <i577> [#uses=1]
|
|
%tmp5 = shl i577 %tmp, 8 ; <i577> [#uses=1]
|
|
%tmp.upgrd.32 = or i577 %tmp21, %tmp5 ; <i577> [#uses=1]
|
|
%tmp.upgrd.3 = trunc i577 %tmp.upgrd.32 to i167 ; <i167> [#uses=1]
|
|
ret i167 %tmp.upgrd.3
|
|
}
|