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; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+t2xtpk %s -o - | FileCheck %s
; CHECK: test1
; CHECK: pkhbt r0, r0, r1, lsl #16
define i32 @test1(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, 65535 ; <i32> [#uses=1]
%tmp4 = shl i32 %Y, 16 ; <i32> [#uses=1]
%tmp5 = or i32 %tmp4, %tmp1 ; <i32> [#uses=1]
ret i32 %tmp5
}
; CHECK: test1a
; CHECK: pkhbt r0, r0, r1, lsl #16
define i32 @test1a(i32 %X, i32 %Y) {
%tmp19 = and i32 %X, 65535 ; <i32> [#uses=1]
%tmp37 = shl i32 %Y, 16 ; <i32> [#uses=1]
%tmp5 = or i32 %tmp37, %tmp19 ; <i32> [#uses=1]
ret i32 %tmp5
}
; CHECK: test2
; CHECK: pkhbt r0, r0, r1, lsl #12
define i32 @test2(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, 65535 ; <i32> [#uses=1]
%tmp3 = shl i32 %Y, 12 ; <i32> [#uses=1]
%tmp4 = and i32 %tmp3, -65536 ; <i32> [#uses=1]
%tmp57 = or i32 %tmp4, %tmp1 ; <i32> [#uses=1]
ret i32 %tmp57
}
; CHECK: test3
; CHECK: pkhbt r0, r0, r1, lsl #18
define i32 @test3(i32 %X, i32 %Y) {
%tmp19 = and i32 %X, 65535 ; <i32> [#uses=1]
%tmp37 = shl i32 %Y, 18 ; <i32> [#uses=1]
%tmp5 = or i32 %tmp37, %tmp19 ; <i32> [#uses=1]
ret i32 %tmp5
}
; CHECK: test4
; CHECK: pkhbt r0, r0, r1
define i32 @test4(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, 65535 ; <i32> [#uses=1]
%tmp3 = and i32 %Y, -65536 ; <i32> [#uses=1]
%tmp46 = or i32 %tmp3, %tmp1 ; <i32> [#uses=1]
ret i32 %tmp46
}
; CHECK: test5
; CHECK: pkhtb r0, r0, r1, asr #16
define i32 @test5(i32 %X, i32 %Y) {
%tmp17 = and i32 %X, -65536 ; <i32> [#uses=1]
%tmp2 = bitcast i32 %Y to i32 ; <i32> [#uses=1]
%tmp4 = lshr i32 %tmp2, 16 ; <i32> [#uses=2]
%tmp5 = or i32 %tmp4, %tmp17 ; <i32> [#uses=1]
ret i32 %tmp5
}
; CHECK: test5a
; CHECK: pkhtb r0, r0, r1, asr #16
define i32 @test5a(i32 %X, i32 %Y) {
%tmp110 = and i32 %X, -65536 ; <i32> [#uses=1]
%tmp37 = lshr i32 %Y, 16 ; <i32> [#uses=1]
%tmp39 = bitcast i32 %tmp37 to i32 ; <i32> [#uses=1]
%tmp5 = or i32 %tmp39, %tmp110 ; <i32> [#uses=1]
ret i32 %tmp5
}
; CHECK: test6
; CHECK: pkhtb r0, r0, r1, asr #12
define i32 @test6(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, -65536 ; <i32> [#uses=1]
%tmp37 = lshr i32 %Y, 12 ; <i32> [#uses=1]
%tmp38 = bitcast i32 %tmp37 to i32 ; <i32> [#uses=1]
%tmp4 = and i32 %tmp38, 65535 ; <i32> [#uses=1]
%tmp59 = or i32 %tmp4, %tmp1 ; <i32> [#uses=1]
ret i32 %tmp59
}
; CHECK: test7
; CHECK: pkhtb r0, r0, r1, asr #18
define i32 @test7(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, -65536 ; <i32> [#uses=1]
%tmp3 = ashr i32 %Y, 18 ; <i32> [#uses=1]
%tmp4 = and i32 %tmp3, 65535 ; <i32> [#uses=1]
%tmp57 = or i32 %tmp4, %tmp1 ; <i32> [#uses=1]
ret i32 %tmp57
}
; CHECK: test8
; CHECK-NOT: pkhtb r0, r0, r1, asr #22
; pkhtb does an arithmetic shift, not a logical shift. Make sure we don't
; use it for problematic cases when whether sign bits would be shifted in
; would matter.
define i32 @test8(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, -65536
%tmp3 = lshr i32 %Y, 22
%tmp57 = or i32 %tmp3, %tmp1
ret i32 %tmp57
}
; CHECK-LABEL: test9:
; CHECK: pkhtb r0, r0, r1, asr #16
define i32 @test9(i32 %src1, i32 %src2) {
entry:
%tmp = and i32 %src1, -65536
%tmp2 = lshr i32 %src2, 16
%tmp3 = or i32 %tmp, %tmp2
ret i32 %tmp3
}
; CHECK: test10
; CHECK: pkhtb r0, r0, r1, asr #22
define i32 @test10(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, -65536
%tmp3 = ashr i32 %Y, 22
%tmp57 = or i32 %tmp3, %tmp1
ret i32 %tmp57
}
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