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Mark an unreachable code path with llvm_unreachable. Pacifies GCC.

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llvm-svn: 189726
This commit is contained in:
Benjamin Kramer 2013-08-31 21:20:04 +00:00
parent 4921fdebc8
commit 29f4a90415
1 changed files with 1 additions and 0 deletions
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lib/Target/R600/AMDGPUISelDAGToDAG.cpp
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@ -328,6 +328,7 @@ SDNode *AMDGPUDAGToDAGISel::Select(SDNode *N) {
case 16: RegClassID = UseVReg ? AMDGPU::VReg_512RegClassID :
AMDGPU::SReg_512RegClassID;
break;
default: llvm_unreachable("Do not know how to lower this BUILD_VECTOR");
}
} else {
// BUILD_VECTOR was lowered into an IMPLICIT_DEF + 4 INSERT_SUBREG