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gallivm: Use lp_build_alloca instead of LLVMBuildAlloca on the loop limiter.

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To ensure that the alloca is at the top of the function body, otherwise
LLVM will not eliminate them, causing stack misalignment on 32bits.

Reviewed-by: James Benton <jbenton@vmware.com>
This commit is contained in:
José Fonseca 2012-04-25 16:30:06 +01:00
parent 9f45093433
commit 914244e59d
1 changed files with 1 additions and 4 deletions
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5
src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
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@ -79,10 +79,7 @@ static void lp_exec_mask_init(struct lp_exec_mask *mask, struct lp_build_context
mask->exec_mask = mask->ret_mask = mask->break_mask = mask->cont_mask = mask->cond_mask =
LLVMConstAllOnes(mask->int_vec_type);
mask->loop_limiter = LLVMBuildAlloca(
builder,
int_type,
"looplimiter");
mask->loop_limiter = lp_build_alloca(bld->gallivm, int_type, "looplimiter");
LLVMBuildStore(
builder,