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ac/nir: use the new raw/struct SSBO atomic intrisics for comp_swap

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This is actually fixed now.

This change requires LLVM r358579. Make sure to have it in
your tree, otherwise the following piglit will hang:

tests/spec/arb_shader_storage_buffer_object/execution/ssbo-atomicCompSwap-int.shader_test

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Samuel Pitoiset 2019-04-18 09:09:55 +02:00
parent 895e10d2db
commit 2b515a8259
1 changed files with 1 additions and 2 deletions
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3
src/amd/common/ac_nir_to_llvm.c
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@ -1692,8 +1692,7 @@ static LLVMValueRef visit_atomic_ssbo(struct ac_nir_context *ctx,
get_src(ctx, instr->src[0]),
true);
if (HAVE_LLVM >= 0x900 &&
instr->intrinsic != nir_intrinsic_ssbo_atomic_comp_swap) {
if (HAVE_LLVM >= 0x900) {
/* XXX: The new raw/struct atomic intrinsics are buggy with
* LLVM 8, see r358579.
*/