--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/AMDGPU/ffloor.f64.ll	Tue Oct 13 17:48:58 2015 +0900
@@ -0,0 +1,127 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
+
+declare double @llvm.fabs.f64(double %Val)
+declare double @llvm.floor.f64(double) nounwind readnone
+declare <2 x double> @llvm.floor.v2f64(<2 x double>) nounwind readnone
+declare <3 x double> @llvm.floor.v3f64(<3 x double>) nounwind readnone
+declare <4 x double> @llvm.floor.v4f64(<4 x double>) nounwind readnone
+declare <8 x double> @llvm.floor.v8f64(<8 x double>) nounwind readnone
+declare <16 x double> @llvm.floor.v16f64(<16 x double>) nounwind readnone
+
+; FUNC-LABEL: {{^}}ffloor_f64:
+; CI: v_floor_f64_e32
+; SI: v_fract_f64_e32
+; SI: v_min_f64
+; SI: v_cmp_class_f64_e64
+; SI: v_cndmask_b32_e64
+; SI: v_cndmask_b32_e64
+; SI: v_add_f64
+; SI: s_endpgm
+define void @ffloor_f64(double addrspace(1)* %out, double %x) {
+  %y = call double @llvm.floor.f64(double %x) nounwind readnone
+  store double %y, double addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}ffloor_f64_neg:
+; CI: v_floor_f64_e64
+; SI: v_fract_f64_e64 {{v[[0-9]+:[0-9]+]}}, -[[INPUT:s[[0-9]+:[0-9]+]]]
+; SI: v_min_f64
+; SI: v_cmp_class_f64_e64
+; SI: v_cndmask_b32_e64
+; SI: v_cndmask_b32_e64
+; SI: v_add_f64 {{v[[0-9]+:[0-9]+]}}, -[[INPUT]]
+; SI: s_endpgm
+define void @ffloor_f64_neg(double addrspace(1)* %out, double %x) {
+  %neg = fsub double 0.0, %x
+  %y = call double @llvm.floor.f64(double %neg) nounwind readnone
+  store double %y, double addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}ffloor_f64_neg_abs:
+; CI: v_floor_f64_e64
+; SI: v_fract_f64_e64 {{v[[0-9]+:[0-9]+]}}, -|[[INPUT:s[[0-9]+:[0-9]+]]]|
+; SI: v_min_f64
+; SI: v_cmp_class_f64_e64
+; SI: v_cndmask_b32_e64
+; SI: v_cndmask_b32_e64
+; SI: v_add_f64 {{v[[0-9]+:[0-9]+]}}, -|[[INPUT]]|
+; SI: s_endpgm
+define void @ffloor_f64_neg_abs(double addrspace(1)* %out, double %x) {
+  %abs = call double @llvm.fabs.f64(double %x)
+  %neg = fsub double 0.0, %abs
+  %y = call double @llvm.floor.f64(double %neg) nounwind readnone
+  store double %y, double addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}ffloor_v2f64:
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+define void @ffloor_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
+  %y = call <2 x double> @llvm.floor.v2f64(<2 x double> %x) nounwind readnone
+  store <2 x double> %y, <2 x double> addrspace(1)* %out
+  ret void
+}
+
+; FIXME-FUNC-LABEL: {{^}}ffloor_v3f64:
+; FIXME-CI: v_floor_f64_e32
+; FIXME-CI: v_floor_f64_e32
+; FIXME-CI: v_floor_f64_e32
+; define void @ffloor_v3f64(<3 x double> addrspace(1)* %out, <3 x double> %x) {
+;   %y = call <3 x double> @llvm.floor.v3f64(<3 x double> %x) nounwind readnone
+;   store <3 x double> %y, <3 x double> addrspace(1)* %out
+;   ret void
+; }
+
+; FUNC-LABEL: {{^}}ffloor_v4f64:
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+define void @ffloor_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %x) {
+  %y = call <4 x double> @llvm.floor.v4f64(<4 x double> %x) nounwind readnone
+  store <4 x double> %y, <4 x double> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}ffloor_v8f64:
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+define void @ffloor_v8f64(<8 x double> addrspace(1)* %out, <8 x double> %x) {
+  %y = call <8 x double> @llvm.floor.v8f64(<8 x double> %x) nounwind readnone
+  store <8 x double> %y, <8 x double> addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}ffloor_v16f64:
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+; CI: v_floor_f64_e32
+define void @ffloor_v16f64(<16 x double> addrspace(1)* %out, <16 x double> %x) {
+  %y = call <16 x double> @llvm.floor.v16f64(<16 x double> %x) nounwind readnone
+  store <16 x double> %y, <16 x double> addrspace(1)* %out
+  ret void
+}