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librustc: clean-up expr_repeat loop generation: use native integers

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Huon Wilson 2013-03-24 21:44:47 +11:00 • committed by Luqman Aden
parent 441313fc0c
commit 89a7407c99
1 changed files with 5 additions and 7 deletions
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12
src/librustc/middle/trans/tvec.rs
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@ -427,8 +427,8 @@ pub fn write_content(bcx: block,
let loop_counter = {
// i = 0
let i = alloca(loop_bcx, T_i64());
Store(loop_bcx, C_i64(0), i);
let i = alloca(loop_bcx, bcx.ccx().int_type);
Store(loop_bcx, C_uint(bcx.ccx(), 0), i);
Br(loop_bcx, cond_bcx.llbb);
i
@ -436,10 +436,8 @@ pub fn write_content(bcx: block,
{ // i < count
let lhs = Load(cond_bcx, loop_counter);
let rhs = C_integral(T_i64(), count as u64, lib::llvm::False);
let cmp_lr = ICmp(cond_bcx, lib::llvm::IntULT, lhs, rhs);
let zext = ZExt(cond_bcx, cmp_lr, T_i8());
let cond_val = ICmp(cond_bcx, lib::llvm::IntNE, zext, C_u8(0));
let rhs = C_uint(bcx.ccx(), count);
let cond_val = ICmp(cond_bcx, lib::llvm::IntULT, lhs, rhs);
CondBr(cond_bcx, cond_val, set_bcx.llbb, next_bcx.llbb);
}
@ -454,7 +452,7 @@ pub fn write_content(bcx: block,
{ // i += 1
let i = Load(inc_bcx, loop_counter);
let plusone = Add(inc_bcx, i, C_i64(1));
let plusone = Add(inc_bcx, i, C_uint(bcx.ccx(), 1));
Store(inc_bcx, plusone, loop_counter);
Br(inc_bcx, cond_bcx.llbb);