From a491b9e945423a81f785220b85a9b395060952aa Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Thu, 25 Aug 2016 20:22:59 +0200 Subject: [PATCH] radeonsi: don't use allocas for arrays with LLVM 3.8 It crashes. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97413 --- src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c index 71f52fd..4643e6d 100644 --- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c +++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c @@ -559,8 +559,10 @@ static void emit_declaration(struct lp_build_tgsi_context *bld_base, * FIXME: We shouldn't need to have the non-alloca * code path for arrays. LLVM should be smart enough to * promote allocas into registers when profitable. + * + * LLVM 3.8 crashes with this. */ - if (array_size > 16) { + if (HAVE_LLVM >= 0x0309 && array_size > 16) { array_alloca = LLVMBuildAlloca(builder, LLVMArrayType(bld_base->base.vec_type, array_size), "array"); -- 2.7.4