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Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 25449ecaf94..8edd5934234 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -6535,14 +6535,12 @@ static bool si_eliminate_const_output(struct si_shader_context *ctx,
for (i = 0; i < 4; i++) {
LLVMBool loses_info;
LLVMValueRef p = LLVMGetOperand(inst, 5 + i);
- if (!LLVMIsConstant(p))
- return false;
/* It's a constant expression. Undef outputs are eliminated too. */
if (LLVMIsUndef(p)) {
is_zero[i] = true;
is_one[i] = true;
- } else {
+ } else if (LLVMIsAConstantFP(p)) {
double a = LLVMConstRealGetDouble(p, &loses_info);
if (a == 0)
@@ -6551,7 +6549,8 @@ static bool si_eliminate_const_output(struct si_shader_context *ctx,
is_one[i] = true;
else
return false; /* other constant */
- }
+ } else
+ return false;
}
/* Only certain combinations of 0 and 1 can be eliminated. */