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[beta] Fix optimization regressions for operations on [x; n]-initialized arr… #36634

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Merged
merged 1 commit into from
Sep 21, 2016
Merged

[beta] Fix optimization regressions for operations on [x; n]-initialized arr… #36634

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4 changes: 2 additions & 2 deletions src/librustc_trans/tvec.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -349,7 +349,7 @@ fn iter_vec_loop<'blk, 'tcx, F>(bcx: Block<'blk, 'tcx>,
let plusone = Add(bcx, loop_counter, C_uint(bcx.ccx(), 1usize), DebugLoc::None);
AddIncomingToPhi(loop_counter, plusone, bcx.llbb);

let cond_val = ICmp(bcx, llvm::IntULT, plusone, count, DebugLoc::None);
let cond_val = ICmp(bcx, llvm::IntNE, plusone, count, DebugLoc::None);
CondBr(bcx, cond_val, loop_bcx.llbb, next_bcx.llbb, DebugLoc::None);

next_bcx
Expand Down Expand Up @@ -381,7 +381,7 @@ pub fn iter_vec_raw<'blk, 'tcx, F>(bcx: Block<'blk, 'tcx>,
let data_ptr =
Phi(header_bcx, val_ty(data_ptr), &[data_ptr], &[bcx.llbb]);
let not_yet_at_end =
ICmp(header_bcx, llvm::IntULT, data_ptr, data_end_ptr, DebugLoc::None);
ICmp(header_bcx, llvm::IntNE, data_ptr, data_end_ptr, DebugLoc::None);
let body_bcx = fcx.new_temp_block("iter_vec_loop_body");
let next_bcx = fcx.new_temp_block("iter_vec_next");
CondBr(header_bcx, not_yet_at_end, body_bcx.llbb, next_bcx.llbb, DebugLoc::None);
Expand Down