[LLVMbugs] [Bug 15970] New: Cannot select: v4i16 = zero_extend on ARM test-suite

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=15970

            Bug ID: 15970
           Summary: Cannot select: v4i16 = zero_extend on ARM test-suite
           Product: libraries
           Version: trunk
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: ARM
          Assignee: unassignedbugs at nondot.org
          Reporter: renato.golin at linaro.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 10498
  --> http://llvm.org/bugs/attachment.cgi?id=10498&action=edit
Script and C file with problem

TEST-SUITE File: MultiSource/Benchmarks/MiBench/consumer-jpeg/jquant2.c

fatal error: error in backend: Cannot select: 0x362aba0: v4i16 = zero_extend
0x362cc48 [ID=141]
  0x362cc48: v4i8,ch = load 0x362d220, 0x3639458, 0x364f5f0<LD4[FixedStack8]>
[ID=129]
    0x3639458: i32 = FrameIndex<8> [ID=40]
    0x364f5f0: i32 = undef [ORD=1005] [ID=4]
In function: fill_inverse_cmap
clang-3.4: error: clang frontend command failed with exit code 70 (use -v to
see invocation)
clang version 3.4 (181589)
Target: armv7l-unknown-linux-gnueabihf
Thread model: posix

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