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e9061eb73e
This is the first step toward supporting shrink-wrapping for this target. The changes could be summarized by these items: - Expand the tail-call return as part of the expand pseudo pass. - Get rid of the assumptions that the epilogue is the exit block: * Do not assume which registers are free in the epilogue. (This indirectly improve the lowering of the code for the segmented stacks, see the test cases.) * Take into account that the basic block can be empty. Related to <rdar://problem/20821730> llvm-svn: 242714 |
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AMDGPU | ||
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BPF | ||
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Generic | ||
Hexagon | ||
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MIR | ||
MSP430 | ||
NVPTX | ||
PowerPC | ||
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WinEH | ||
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XCore |