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Fix the testb optimization so x86 also bootstraps.

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Reenable test.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59101 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2008-11-12 02:00:35 +00:00
parent 580c0dfaed
commit cbf7cf50ec
2 changed files with 1 additions and 4 deletions
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4
lib/CodeGen/SelectionDAG/TargetLowering.cpp
View File

@ -1353,7 +1353,6 @@ TargetLowering::SimplifySetCC(MVT VT, SDValue N0, SDValue N1,
}
}
#if 0
// If the LHS is '(and load, const)', the RHS is 0,
// the test is for equality or unsigned, and all 1 bits of the const are
// in the same partial word, see if we can shorten the load.
@ -1380,7 +1379,7 @@ TargetLowering::SimplifySetCC(MVT VT, SDValue N0, SDValue N1,
bestOffset = (origWidth/width - offset - 1) * (width/8);
else
bestOffset = (uint64_t)offset * (width/8);
bestMask = Mask >> (offset * 8);
bestMask = Mask >> (offset * (width/8) * 8);
bestWidth = width;
break;
}
@ -1407,7 +1406,6 @@ TargetLowering::SimplifySetCC(MVT VT, SDValue N0, SDValue N1,
}
}
}
#endif
// If the LHS is a ZERO_EXTEND, perform the comparison on the input.
if (N0.getOpcode() == ISD::ZERO_EXTEND) {

1
test/CodeGen/X86/2008-11-06-testb.ll
View File

@ -1,5 +1,4 @@
; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin | grep testb
; XFAIL: *
; ModuleID = '<stdin>'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"