1 files changed, 88 insertions, 3 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/rcp-pattern.ll b/llvm/test/CodeGen/AMDGPU/rcp-pattern.ll
index b1d42206254..27a88f7b59e 100644
--- a/llvm/test/CodeGen/AMDGPU/rcp-pattern.ll
+++ b/llvm/test/CodeGen/AMDGPU/rcp-pattern.ll
@@ -1,11 +1,96 @@
-; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG-SAFE -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 ; RUN: llc -march=r600 -mcpu=cayman -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 
-; FIXME: Evergreen only ever does unsafe fp math.
 ; FUNC-LABEL: {{^}}rcp_pat_f32:
+; GCN: s_load_dword [[SRC:s[0-9]+]]
+; GCN: v_rcp_f32_e32 [[RCP:v[0-9]+]], [[SRC]]
+; GCN: buffer_store_dword [[RCP]]
+
 ; EG: RECIP_IEEE
-define void @rcp_pat_f32(float addrspace(1)* %out, float %src) nounwind {
+define void @rcp_pat_f32(float addrspace(1)* %out, float %src) #0 {
   %rcp = fdiv float 1.0, %src
   store float %rcp, float addrspace(1)* %out, align 4
   ret void
 }
+
+; FUNC-LABEL: {{^}}rcp_ulp25_pat_f32:
+; GCN: s_load_dword [[SRC:s[0-9]+]]
+; GCN: v_rcp_f32_e32 [[RCP:v[0-9]+]], [[SRC]]
+; GCN: buffer_store_dword [[RCP]]
+
+; EG: RECIP_IEEE
+define void @rcp_ulp25_pat_f32(float addrspace(1)* %out, float %src) #0 {
+  %rcp = fdiv float 1.0, %src, !fpmath !0
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rcp_fast_ulp25_pat_f32:
+; GCN: s_load_dword [[SRC:s[0-9]+]]
+; GCN: v_rcp_f32_e32 [[RCP:v[0-9]+]], [[SRC]]
+; GCN: buffer_store_dword [[RCP]]
+
+; EG: RECIP_IEEE
+define void @rcp_fast_ulp25_pat_f32(float addrspace(1)* %out, float %src) #0 {
+  %rcp = fdiv fast float 1.0, %src, !fpmath !0
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rcp_arcp_ulp25_pat_f32:
+; GCN: s_load_dword [[SRC:s[0-9]+]]
+; GCN: v_rcp_f32_e32 [[RCP:v[0-9]+]], [[SRC]]
+; GCN: buffer_store_dword [[RCP]]
+
+; EG: RECIP_IEEE
+define void @rcp_arcp_ulp25_pat_f32(float addrspace(1)* %out, float %src) #0 {
+  %rcp = fdiv arcp float 1.0, %src, !fpmath !0
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rcp_global_fast_ulp25_pat_f32:
+; GCN: s_load_dword [[SRC:s[0-9]+]]
+; GCN: v_rcp_f32_e32 [[RCP:v[0-9]+]], [[SRC]]
+; GCN: buffer_store_dword [[RCP]]
+
+; EG: RECIP_IEEE
+define void @rcp_global_fast_ulp25_pat_f32(float addrspace(1)* %out, float %src) #2 {
+  %rcp = fdiv float 1.0, %src, !fpmath !0
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rcp_fabs_pat_f32:
+; GCN: s_load_dword [[SRC:s[0-9]+]]
+; GCN: v_rcp_f32_e64 [[RCP:v[0-9]+]], |[[SRC]]|
+; GCN: buffer_store_dword [[RCP]]
+
+; EG: RECIP_IEEE
+define void @rcp_fabs_pat_f32(float addrspace(1)* %out, float %src) #0 {
+  %src.fabs = call float @llvm.fabs.f32(float %src)
+  %rcp = fdiv float 1.0, %src.fabs
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FIXME: fneg folded into constant 1
+; FUNC-LABEL: {{^}}rcp_fabs_fneg_pat_f32:
+define void @rcp_fabs_fneg_pat_f32(float addrspace(1)* %out, float %src) #0 {
+  %src.fabs = call float @llvm.fabs.f32(float %src)
+  %src.fabs.fneg = fsub float -0.0, %src.fabs
+  %rcp = fdiv float 1.0, %src.fabs.fneg
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+
+declare float @llvm.fabs.f32(float) #1
+
+attributes #0 = { nounwind "unsafe-fp-math"="false" }
+attributes #1 = { nounwind readnone }
+attributes #2 = { nounwind "unsafe-fp-math"="true" }
+
+!0 = !{float 2.500000e+00}