From: Zack Rusin <zackr@vmware.com>
Date: Wed, 10 Mar 2010 21:36:20 +0000 (-0500)
Subject: gallivm: properly test the if condition and branch to the proper label
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ac33e7752d22f03db84e6a4c822b3a3f41d05f77;p=mesa.git

gallivm: properly test the if condition and branch to the proper label

makes loops work
---

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 085afe33deb..aa57289395e 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -301,7 +301,7 @@ static void lp_exec_endloop(struct lp_exec_mask *mask)
    endloop = lp_build_insert_new_block(mask->bld->builder, "endloop");
 
    LLVMBuildCondBr(mask->bld->builder,
-                   i1cond, endloop, mask->loop_block);
+                   i1cond, mask->loop_block, endloop);
 
    LLVMPositionBuilderAtEnd(mask->bld->builder, endloop);
 
@@ -1498,6 +1498,8 @@ emit_instruction(
 
    case TGSI_OPCODE_IF:
       tmp0 = emit_fetch(bld, inst, 0, CHAN_X);
+      tmp0 = lp_build_cmp(&bld->base, PIPE_FUNC_NOTEQUAL,
+                          tmp0, bld->base.zero);
       lp_exec_mask_cond_push(&bld->exec_mask, tmp0);
       break;