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Mark an unreachable code path with llvm_unreachable. Pacifies GCC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189726 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2013-08-31 21:20:04 +00:00
parent 4af4cbbced
commit f53e9b4896
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 : case 16: RegClassID = UseVReg ? AMDGPU::VReg_512RegClassID :
AMDGPU::SReg_512RegClassID; AMDGPU::SReg_512RegClassID;
break; break;
default: llvm_unreachable("Do not know how to lower this BUILD_VECTOR");
} }
} else { } else {
// BUILD_VECTOR was lowered into an IMPLICIT_DEF + 4 INSERT_SUBREG // BUILD_VECTOR was lowered into an IMPLICIT_DEF + 4 INSERT_SUBREG