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Add some tests for shr-and folding
llvm-svn: 16507
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@ -119,3 +119,20 @@ bool %test18(int %A) {
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ret bool %C
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}
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int %test19(int %A) {
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%B = shl int %A, ubyte 3
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%C = and int %B, -2 ;; Clearing a zero bit
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ret int %C
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}
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ubyte %test20(ubyte %A) {
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%C = shr ubyte %A, ubyte 7
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%D = and ubyte %C, 1 ;; Unneeded
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ret ubyte %D
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}
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sbyte %test21(sbyte %A) {
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%C = shr sbyte %A, ubyte 7 ;; sign extend
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%D = and sbyte %C, 1 ;; chop off sign
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ret sbyte %D
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}
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