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Add testcases for new rlwinm cases handled, patch by Jim Laskey!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22730 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-09 20:24:16 +00:00
parent 88ac32ca26
commit 645f381d38
1 changed files with 44 additions and 1 deletions
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45
test/CodeGen/PowerPC/rlwinm.ll
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@ -1,6 +1,6 @@
; All of these ands and shifts should be folded into rlwimi's
; RUN: llvm-as < rlwinm.ll | llc -march=ppc32 | not grep and &&
; RUN: llvm-as < rlwinm.ll | llc -march=ppc32 | grep rlwinm | wc -l | grep 2
; RUN: llvm-as < rlwinm.ll | llc -march=ppc32 | grep rlwinm | wc -l | grep 8
implementation ; Functions:
@ -15,3 +15,46 @@ entry:
%tmp.1 = and int %a, -268435441 ; <int> [#uses=1]
ret int %tmp.1
}
int %test3(int %a) {
entry:
%tmp.2 = shr int %a, ubyte 8 ; <int> [#uses=1]
%tmp.3 = and int %tmp.2, 255 ; <int> [#uses=1]
ret int %tmp.3
}
uint %test4(uint %a) {
entry:
%tmp.3 = shr uint %a, ubyte 8 ; <uint> [#uses=1]
%tmp.4 = and uint %tmp.3, 255 ; <uint> [#uses=1]
ret uint %tmp.4
}
int %test5(int %a) {
entry:
%tmp.2 = shl int %a, ubyte 8 ; <int> [#uses=1]
%tmp.3 = and int %tmp.2, -8388608 ; <int> [#uses=1]
ret int %tmp.3
}
int %test6(int %a) {
entry:
%tmp.1 = and int %a, 65280 ; <int> [#uses=1]
%tmp.2 = shr int %tmp.1, ubyte 8 ; <uint> [#uses=1]
ret int %tmp.2
}
uint %test7(uint %a) {
entry:
%tmp.1 = and uint %a, 65280 ; <uint> [#uses=1]
%tmp.2 = shr uint %tmp.1, ubyte 8 ; <uint> [#uses=1]
ret uint %tmp.2
}
int %test8(int %a) {
entry:
%tmp.1 = and int %a, 16711680 ; <int> [#uses=1]
%tmp.2 = shl int %tmp.1, ubyte 8 ; <int> [#uses=1]
ret int %tmp.2
}