[PATCH] D12487: [CUDA] fix codegen for __nvvm_atom_min/max_gen_u*
Jingyue Wu via llvm-commits
llvm-commits at lists.llvm.org
Sun Aug 30 16:44:28 PDT 2015
jingyue updated this revision to Diff 33552.
jingyue added a comment.
use existing tests
http://reviews.llvm.org/D12487
Files:
lib/CodeGen/CGBuiltin.cpp
test/CodeGen/builtins-nvptx.c
Index: test/CodeGen/builtins-nvptx.c
===================================================================
--- test/CodeGen/builtins-nvptx.c
+++ test/CodeGen/builtins-nvptx.c
@@ -234,30 +234,30 @@
// CHECK: atomicrmw xchg
__nvvm_atom_xchg_gen_ll(&sll, ll);
- // CHECK: atomicrmw max
+ // CHECK: atomicrmw max i32*
__nvvm_atom_max_gen_i(ip, i);
- // CHECK: atomicrmw max
+ // CHECK: atomicrmw umax i32*
__nvvm_atom_max_gen_ui((unsigned int *)ip, i);
// CHECK: atomicrmw max
__nvvm_atom_max_gen_l(&dl, l);
- // CHECK: atomicrmw max
+ // CHECK: atomicrmw umax
__nvvm_atom_max_gen_ul((unsigned long *)&dl, l);
- // CHECK: atomicrmw max
+ // CHECK: atomicrmw max i64*
__nvvm_atom_max_gen_ll(&sll, ll);
- // CHECK: atomicrmw max
+ // CHECK: atomicrmw umax i64*
__nvvm_atom_max_gen_ull((unsigned long long *)&sll, ll);
- // CHECK: atomicrmw min
+ // CHECK: atomicrmw min i32*
__nvvm_atom_min_gen_i(ip, i);
- // CHECK: atomicrmw min
+ // CHECK: atomicrmw umin i32*
__nvvm_atom_min_gen_ui((unsigned int *)ip, i);
// CHECK: atomicrmw min
__nvvm_atom_min_gen_l(&dl, l);
- // CHECK: atomicrmw min
+ // CHECK: atomicrmw umin
__nvvm_atom_min_gen_ul((unsigned long *)&dl, l);
- // CHECK: atomicrmw min
+ // CHECK: atomicrmw min i64*
__nvvm_atom_min_gen_ll(&sll, ll);
- // CHECK: atomicrmw min
+ // CHECK: atomicrmw umin i64*
__nvvm_atom_min_gen_ull((unsigned long long *)&sll, ll);
// CHECK: cmpxchg
Index: lib/CodeGen/CGBuiltin.cpp
===================================================================
--- lib/CodeGen/CGBuiltin.cpp
+++ lib/CodeGen/CGBuiltin.cpp
@@ -7024,18 +7024,22 @@
case NVPTX::BI__nvvm_atom_max_gen_i:
case NVPTX::BI__nvvm_atom_max_gen_l:
case NVPTX::BI__nvvm_atom_max_gen_ll:
+ return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Max, E);
+
case NVPTX::BI__nvvm_atom_max_gen_ui:
case NVPTX::BI__nvvm_atom_max_gen_ul:
case NVPTX::BI__nvvm_atom_max_gen_ull:
- return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Max, E);
+ return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::UMax, E);
case NVPTX::BI__nvvm_atom_min_gen_i:
case NVPTX::BI__nvvm_atom_min_gen_l:
case NVPTX::BI__nvvm_atom_min_gen_ll:
+ return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Min, E);
+
case NVPTX::BI__nvvm_atom_min_gen_ui:
case NVPTX::BI__nvvm_atom_min_gen_ul:
case NVPTX::BI__nvvm_atom_min_gen_ull:
- return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::Min, E);
+ return MakeBinaryAtomicValue(*this, llvm::AtomicRMWInst::UMin, E);
case NVPTX::BI__nvvm_atom_cas_gen_i:
case NVPTX::BI__nvvm_atom_cas_gen_l:
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