Fix a bug in the liveness analysis
authorSimon Marlow <simonmar@microsoft.com>
Tue, 23 Jan 2007 10:40:25 +0000 (10:40 +0000)
committerSimon Marlow <simonmar@microsoft.com>
Tue, 23 Jan 2007 10:40:25 +0000 (10:40 +0000)
commit7979153412d385545e9a43e1bb65419028cfec88
tree8b3c95437deb475e4334285a5ff19a37106af959
parent5b8241166c9a6cfc57d7e91677331d334caed89d
Fix a bug in the liveness analysis
We were being overly conservative, registers that were live only at a
branch target were not recorded as being dead in the branch-not-taken
code.
compiler/nativeGen/RegisterAlloc.hs