1 files changed, 67 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/llvm.round.ll b/test/CodeGen/AMDGPU/llvm.round.ll
new file mode 100644
index 000000000000..f5f124d915a5
--- /dev/null
+++ b/test/CodeGen/AMDGPU/llvm.round.ll
@@ -0,0 +1,67 @@
+; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
+
+; FUNC-LABEL: {{^}}round_f32:
+; SI-DAG: s_load_dword [[SX:s[0-9]+]]
+; SI-DAG: s_mov_b32 [[K:s[0-9]+]], 0x7fffffff
+; SI: v_trunc_f32_e32 [[TRUNC:v[0-9]+]], [[SX]]
+; SI: v_sub_f32_e32 [[SUB:v[0-9]+]], [[SX]], [[TRUNC]]
+; SI: v_mov_b32_e32 [[VX:v[0-9]+]], [[SX]]
+; SI: v_bfi_b32 [[COPYSIGN:v[0-9]+]], [[K]], 1.0, [[VX]]
+; SI: v_cmp_le_f32_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], 0.5, |[[SUB]]|
+; SI: v_cndmask_b32_e64 [[SEL:v[0-9]+]], 0, [[VX]], [[CMP]]
+; SI: v_add_f32_e32 [[RESULT:v[0-9]+]], [[SEL]], [[TRUNC]]
+; SI: buffer_store_dword [[RESULT]]
+
+; R600: TRUNC {{.*}}, [[ARG:KC[0-9]\[[0-9]+\]\.[XYZW]]]
+; R600-DAG: ADD  {{.*}},
+; R600-DAG: BFI_INT
+; R600-DAG: SETGE
+; R600-DAG: CNDE
+; R600-DAG: ADD
+define void @round_f32(float addrspace(1)* %out, float %x) #0 {
+  %result = call float @llvm.round.f32(float %x) #1
+  store float %result, float addrspace(1)* %out
+  ret void
+}
+
+; The vector tests are really difficult to verify, since it can be hard to
+; predict how the scheduler will order the instructions.  We already have
+; a test for the scalar case, so the vector tests just check that the
+; compiler doesn't crash.
+
+; FUNC-LABEL: {{^}}round_v2f32:
+; SI: s_endpgm
+; R600: CF_END
+define void @round_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) #0 {
+  %result = call <2 x float> @llvm.round.v2f32(<2 x float> %in) #1
+  store <2 x float> %result, <2 x float> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}round_v4f32:
+; SI: s_endpgm
+; R600: CF_END
+define void @round_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) #0 {
+  %result = call <4 x float> @llvm.round.v4f32(<4 x float> %in) #1
+  store <4 x float> %result, <4 x float> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}round_v8f32:
+; SI: s_endpgm
+; R600: CF_END
+define void @round_v8f32(<8 x float> addrspace(1)* %out, <8 x float> %in) #0 {
+  %result = call <8 x float> @llvm.round.v8f32(<8 x float> %in) #1
+  store <8 x float> %result, <8 x float> addrspace(1)* %out
+  ret void
+}
+
+declare float @llvm.round.f32(float) #1
+declare <2 x float> @llvm.round.v2f32(<2 x float>) #1
+declare <4 x float> @llvm.round.v4f32(<4 x float>) #1
+declare <8 x float> @llvm.round.v8f32(<8 x float>) #1
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readnone }