llvm-6502/test/CodeGen/ARM/pack.ll
Stephen Lin b4dc0233c9 Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier debugging. No functionality change and all tests pass after conversion.
This was done with the following sed invocation to catch label lines demarking function boundaries:
    sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll
which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186258 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-13 20:38:47 +00:00

112 lines
2.5 KiB
LLVM

; RUN: llc < %s -march=arm -mattr=+v6 | FileCheck %s
; CHECK: test1
; CHECK: pkhbt r0, r0, r1, lsl #16
define i32 @test1(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, 65535
%tmp4 = shl i32 %Y, 16
%tmp5 = or i32 %tmp4, %tmp1
ret i32 %tmp5
}
; CHECK: test2
; CHECK: pkhbt r0, r0, r1, lsl #12
define i32 @test2(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, 65535
%tmp3 = shl i32 %Y, 12
%tmp4 = and i32 %tmp3, -65536
%tmp57 = or i32 %tmp4, %tmp1
ret i32 %tmp57
}
; CHECK: test3
; CHECK: pkhbt r0, r0, r1, lsl #18
define i32 @test3(i32 %X, i32 %Y) {
%tmp19 = and i32 %X, 65535
%tmp37 = shl i32 %Y, 18
%tmp5 = or i32 %tmp37, %tmp19
ret i32 %tmp5
}
; CHECK: test4
; CHECK: pkhbt r0, r0, r1
define i32 @test4(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, 65535
%tmp3 = and i32 %Y, -65536
%tmp46 = or i32 %tmp3, %tmp1
ret i32 %tmp46
}
; CHECK: test5
; CHECK: pkhtb r0, r0, r1, asr #16
define i32 @test5(i32 %X, i32 %Y) {
%tmp17 = and i32 %X, -65536
%tmp2 = bitcast i32 %Y to i32
%tmp4 = lshr i32 %tmp2, 16
%tmp5 = or i32 %tmp4, %tmp17
ret i32 %tmp5
}
; CHECK: test5a
; CHECK: pkhtb r0, r0, r1, asr #16
define i32 @test5a(i32 %X, i32 %Y) {
%tmp110 = and i32 %X, -65536
%tmp37 = lshr i32 %Y, 16
%tmp39 = bitcast i32 %tmp37 to i32
%tmp5 = or i32 %tmp39, %tmp110
ret i32 %tmp5
}
; CHECK: test6
; CHECK: pkhtb r0, r0, r1, asr #12
define i32 @test6(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, -65536
%tmp37 = lshr i32 %Y, 12
%tmp38 = bitcast i32 %tmp37 to i32
%tmp4 = and i32 %tmp38, 65535
%tmp59 = or i32 %tmp4, %tmp1
ret i32 %tmp59
}
; CHECK: test7
; CHECK: pkhtb r0, r0, r1, asr #18
define i32 @test7(i32 %X, i32 %Y) {
%tmp1 = and i32 %X, -65536
%tmp3 = ashr i32 %Y, 18
%tmp4 = and i32 %tmp3, 65535
%tmp57 = or i32 %tmp4, %tmp1
ret i32 %tmp57
}
; Arithmetic and logic right shift does not have the same semantics if shifting
; by more than 16 in this context.
; CHECK: test8
; CHECK-NOT: pkhtb r0, r0, r1, asr #22
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-LABEL: test10:
; CHECK: pkhtb r0, r0, r1, asr #17
define i32 @test10(i32 %src1, i32 %src2) {
entry:
%tmp = and i32 %src1, -65536
%tmp2 = ashr i32 %src2, 17
%tmp3 = or i32 %tmp, %tmp2
ret i32 %tmp3
}