[LLVMbugs] [Bug 9597] New: llvmpipe lp_test_format test fails with llvm-3.0svn

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Mar 31 10:05:56 PDT 2011


           Summary: llvmpipe lp_test_format test fails with llvm-3.0svn
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: vlee at vmware.com
                CC: llvmbugs at cs.uiuc.edu

llvm: llvm-3.0svn r128637

The Mesa project's llvmpipe lp_test_format unit test fails with llvm-3.0svn
with an LLVM ERROR message. lp_test_format passes with llvm-2.9 and llvm-2.8.

$ git clone git://anongit.freedesktop.org/mesa/mesa
$ cd mesa
$ scons
$ cd build/linux-x86-debug/bin
$ ./lp_test_format
LLVM ERROR: Cannot select: 0xa235f70: v4i32 = srl 0xa23a9d0, 0xa23a2e8 [ORD=5]
  0xa23a9d0: v4i32 = X86ISD::PSHUFD 0xa23a8c0, 0xa23a948 [ID=21]
    0xa23a8c0: v4i32 = scalar_to_vector 0xa235b30 [ID=19]
      0xa235b30: i32,ch = load 0xa21fcfc, 0xa235800, 0xa235668<LD4[%4]> [ORD=2]
        0xa235800: i32,ch = load 0xa21fcfc, 0xa235778,
0xa235668<LD4[FixedStack-2]> [ORD=1] [ID=11]
          0xa235778: i32 = FrameIndex<-2> [ORD=1] [ID=3]
          0xa235668: i32 = undef [ORD=1] [ID=2]
        0xa235668: i32 = undef [ORD=1] [ID=2]
    0xa23a948: i8 = Constant<0> [ID=8]
  0xa23a2e8: v4i32 = bitcast 0xa23a260 [ID=20]
    0xa23a260: v2i64,ch = load 0xa21fcfc, 0xa23a1d8,
0xa235668<LD16[ConstantPool]> [ID=16]
      0xa23a1d8: i32 = X86ISD::Wrapper 0xa23a150 [ID=12]
        0xa23a150: i32 = TargetConstantPool<<4 x i32> <i32 0, i32 8, i32 16,
i32 24>> 0 [ID=5]
      0xa235668: i32 = undef [ORD=1] [ID=2]

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