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authorChris Lattner <sabre@nondot.org>2005-04-21 06:28:15 +0000
committerChris Lattner <sabre@nondot.org>2005-04-21 06:28:15 +0000
commit588bbbffa1cf29201c72b8b3f04c6330f4bde2dd (patch)
tree409c6931f1e1972962f4df6969f2af340b2a1f47 /lib/Transforms/Utils/BasicBlockUtils.cpp
parent1c2a9b95dc73c6fd11052e384ea5b10d011abb66 (diff)
Improve and elimination. On PPC, for:
bool %test(int %X) { %Y = and int %X, 8 %Z = setne int %Y, 0 ret bool %Z } we now generate this: rlwinm r2, r3, 0, 28, 28 srwi r3, r2, 3 instead of this: rlwinm r2, r3, 0, 28, 28 srwi r2, r2, 3 rlwinm r3, r2, 0, 31, 31 I'll leave it to Nate to get it down to one instruction. :) --------------------------------------------------------------------- git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21391 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
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