mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-14 23:48:49 +00:00
0521e3cdc1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52442 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.3 KiB
LLVM
53 lines
1.3 KiB
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep ret | count 6
|
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep call.*bswap
|
|
|
|
define i1 @test1(i16 %tmp2) {
|
|
%tmp10 = call i16 @llvm.bswap.i16( i16 %tmp2 ) ; <i16> [#uses=1]
|
|
%tmp = icmp eq i16 %tmp10, 1 ; <i1> [#uses=1]
|
|
ret i1 %tmp
|
|
}
|
|
|
|
define i1 @test2(i32 %tmp) {
|
|
%tmp34 = tail call i32 @llvm.bswap.i32( i32 %tmp ) ; <i32> [#uses=1]
|
|
%tmp.upgrd.1 = icmp eq i32 %tmp34, 1 ; <i1> [#uses=1]
|
|
ret i1 %tmp.upgrd.1
|
|
}
|
|
|
|
declare i32 @llvm.bswap.i32(i32)
|
|
|
|
define i1 @test3(i64 %tmp) {
|
|
%tmp34 = tail call i64 @llvm.bswap.i64( i64 %tmp ) ; <i64> [#uses=1]
|
|
%tmp.upgrd.2 = icmp eq i64 %tmp34, 1 ; <i1> [#uses=1]
|
|
ret i1 %tmp.upgrd.2
|
|
}
|
|
|
|
declare i64 @llvm.bswap.i64(i64)
|
|
|
|
declare i16 @llvm.bswap.i16(i16)
|
|
|
|
; rdar://5992453
|
|
; A & 255
|
|
define i32 @test4(i32 %a) nounwind {
|
|
entry:
|
|
%tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
|
|
%tmp4 = lshr i32 %tmp2, 24
|
|
ret i32 %tmp4
|
|
}
|
|
|
|
; A
|
|
define i32 @test5(i32 %a) nounwind {
|
|
entry:
|
|
%tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
|
|
%tmp4 = tail call i32 @llvm.bswap.i32( i32 %tmp2 )
|
|
ret i32 %tmp4
|
|
}
|
|
|
|
; a >> 24
|
|
define i32 @test6(i32 %a) nounwind {
|
|
entry:
|
|
%tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
|
|
%tmp4 = and i32 %tmp2, 255
|
|
ret i32 %tmp4
|
|
}
|
|
|