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authorEric Anholt <eric@anholt.net>2009-12-22 17:30:13 -0800
committerEric Anholt <eric@anholt.net>2009-12-26 11:18:02 -0800
commitc4ac1f8299ddc3b60f7f32c58c0310deacac22c6 (patch)
tree173be01af317590ef0fcbc69e0fd1b21d5452f11
parentc196a3592a73bfe11db5100a9ba1aff07fb8a60e (diff)
i965: Extra asserts on flow control instructions to clarify for clang.
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_glsl.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 43646528f5f..eccbfd5fa3a 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -2040,6 +2040,7 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
if_inst[if_depth++] = brw_IF(p, BRW_EXECUTE_8);
break;
case OPCODE_ELSE:
+ assert(if_depth > 0);
if_inst[if_depth-1] = brw_ELSE(p, if_inst[if_depth-1]);
break;
case OPCODE_ENDIF:
@@ -2095,7 +2096,8 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
if (intel->is_ironlake)
br = 2;
-
+
+ assert(loop_depth > 0);
loop_depth--;
inst0 = inst1 = brw_WHILE(p, loop_inst[loop_depth]);
/* patch all the BREAK/CONT instructions from last BGNLOOP */