llvm/test/CodeGen/Thumb2/thumb2-uxtb.ll
Johnny Chen 267124cff2 Drop the ".w" qualifier for t2UXTB16* instructions as there is no 16-bit version
of either sxtb16 or uxtb16, and the unified syntax does not specify ".w".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97760 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-04 22:24:41 +00:00

99 lines
2.5 KiB
LLVM

; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
define i32 @test1(i32 %x) {
; CHECK: test1
; CHECK: uxtb16 r0, r0
%tmp1 = and i32 %x, 16711935 ; <i32> [#uses=1]
ret i32 %tmp1
}
define i32 @test2(i32 %x) {
; CHECK: test2
; CHECK: uxtb16 r0, r0, ror #8
%tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1]
%tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1]
ret i32 %tmp2
}
define i32 @test3(i32 %x) {
; CHECK: test3
; CHECK: uxtb16 r0, r0, ror #8
%tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1]
%tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1]
ret i32 %tmp2
}
define i32 @test4(i32 %x) {
; CHECK: test4
; CHECK: uxtb16 r0, r0, ror #8
%tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1]
%tmp6 = and i32 %tmp1, 16711935 ; <i32> [#uses=1]
ret i32 %tmp6
}
define i32 @test5(i32 %x) {
; CHECK: test5
; CHECK: uxtb16 r0, r0, ror #8
%tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1]
%tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1]
ret i32 %tmp2
}
define i32 @test6(i32 %x) {
; CHECK: test6
; CHECK: uxtb16 r0, r0, ror #16
%tmp1 = lshr i32 %x, 16 ; <i32> [#uses=1]
%tmp2 = and i32 %tmp1, 255 ; <i32> [#uses=1]
%tmp4 = shl i32 %x, 16 ; <i32> [#uses=1]
%tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1]
%tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1]
ret i32 %tmp6
}
define i32 @test7(i32 %x) {
; CHECK: test7
; CHECK: uxtb16 r0, r0, ror #16
%tmp1 = lshr i32 %x, 16 ; <i32> [#uses=1]
%tmp2 = and i32 %tmp1, 255 ; <i32> [#uses=1]
%tmp4 = shl i32 %x, 16 ; <i32> [#uses=1]
%tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1]
%tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1]
ret i32 %tmp6
}
define i32 @test8(i32 %x) {
; CHECK: test8
; CHECK: uxtb16 r0, r0, ror #24
%tmp1 = shl i32 %x, 8 ; <i32> [#uses=1]
%tmp2 = and i32 %tmp1, 16711680 ; <i32> [#uses=1]
%tmp5 = lshr i32 %x, 24 ; <i32> [#uses=1]
%tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1]
ret i32 %tmp6
}
define i32 @test9(i32 %x) {
; CHECK: test9
; CHECK: uxtb16 r0, r0, ror #24
%tmp1 = lshr i32 %x, 24 ; <i32> [#uses=1]
%tmp4 = shl i32 %x, 8 ; <i32> [#uses=1]
%tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1]
%tmp6 = or i32 %tmp5, %tmp1 ; <i32> [#uses=1]
ret i32 %tmp6
}
define i32 @test10(i32 %p0) {
; CHECK: test10
; CHECK: mov.w r1, #16253176
; CHECK: and.w r0, r1, r0, lsr #7
; CHECK: lsrs r1, r0, #5
; CHECK: uxtb16 r1, r1
; CHECK: orr.w r0, r1, r0
%tmp1 = lshr i32 %p0, 7 ; <i32> [#uses=1]
%tmp2 = and i32 %tmp1, 16253176 ; <i32> [#uses=2]
%tmp4 = lshr i32 %tmp2, 5 ; <i32> [#uses=1]
%tmp5 = and i32 %tmp4, 458759 ; <i32> [#uses=1]
%tmp7 = or i32 %tmp5, %tmp2 ; <i32> [#uses=1]
ret i32 %tmp7
}