Mesa (master): radeonsi: call LLVMAddEarlyCSEMemSSAPass only for LLVM >= 4.0

[Marek Olšák]

Module: Mesa
Branch: master
Commit: a625d58ee19cd9f88af2ee76de604420c39f5afb
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a625d58ee19cd9f88af2ee76de604420c39f5afb

Author: Juan A. Suarez Romero <jasuarez at igalia.com>
Date:   Thu Jun  8 21:22:08 2017 +0200

radeonsi: call LLVMAddEarlyCSEMemSSAPass only for LLVM >= 4.0

LLVMAddEarlyCSEMemSSAPass() is defined in LLVM 4.0.

Fixes: 257b538 ("radeonsi: do EarlyCSEMemSSA LLVM pass)

Signed-off-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
index 802e2b94e9..d5e988edeb 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
@@ -1451,8 +1451,10 @@ void si_llvm_optimize_module(struct si_shader_context *ctx)
 	LLVMAddLICMPass(gallivm->passmgr);
 	LLVMAddAggressiveDCEPass(gallivm->passmgr);
 	LLVMAddCFGSimplificationPass(gallivm->passmgr);
+#if HAVE_LLVM >= 0x0400
 	/* This is recommended by the instruction combining pass. */
 	LLVMAddEarlyCSEMemSSAPass(gallivm->passmgr);
+#endif
 	LLVMAddInstructionCombiningPass(gallivm->passmgr);
 
 	/* Run the pass */