llvm/test/CodeGen/Mips/mips64extins.ll
Akira Hatanaka d6bc5237d8 Add definitions of 64-bit extract and insert instrucions and make
PerformANDCombine and PerformOrCombine aware of them. Test cases are included
too.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145853 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05 21:26:34 +00:00

56 lines
1.3 KiB
LLVM

; RUN: llc < %s -march=mips64el -mcpu=mips64r2 -mattr=n64 | FileCheck %s
define i64 @dext(i64 %i) nounwind readnone {
entry:
; CHECK: dext ${{[0-9]+}}, ${{[0-9]+}}, 5, 10
%shr = lshr i64 %i, 5
%and = and i64 %shr, 1023
ret i64 %and
}
define i64 @dextm(i64 %i) nounwind readnone {
entry:
; CHECK: dext ${{[0-9]+}}, ${{[0-9]+}}, 5, 34
%shr = lshr i64 %i, 5
%and = and i64 %shr, 17179869183
ret i64 %and
}
define i64 @dextu(i64 %i) nounwind readnone {
entry:
; CHECK: dext ${{[0-9]+}}, ${{[0-9]+}}, 34, 6
%shr = lshr i64 %i, 34
%and = and i64 %shr, 63
ret i64 %and
}
define i64 @dins(i64 %i, i64 %j) nounwind readnone {
entry:
; CHECK: dins ${{[0-9]+}}, ${{[0-9]+}}, 8, 10
%shl2 = shl i64 %j, 8
%and = and i64 %shl2, 261888
%and3 = and i64 %i, -261889
%or = or i64 %and3, %and
ret i64 %or
}
define i64 @dinsm(i64 %i, i64 %j) nounwind readnone {
entry:
; CHECK: dins ${{[0-9]+}}, ${{[0-9]+}}, 10, 33
%shl4 = shl i64 %j, 10
%and = and i64 %shl4, 8796093021184
%and5 = and i64 %i, -8796093021185
%or = or i64 %and5, %and
ret i64 %or
}
define i64 @dinsu(i64 %i, i64 %j) nounwind readnone {
entry:
; CHECK: dins ${{[0-9]+}}, ${{[0-9]+}}, 40, 13
%shl4 = shl i64 %j, 40
%and = and i64 %shl4, 9006099743113216
%and5 = and i64 %i, -9006099743113217
%or = or i64 %and5, %and
ret i64 %or
}