[NVPTX] Add missing patterns for div.approx with immediate denominator

[oota-llvm.git] / test / CodeGen / R600 / fdiv.ll

diff --git a/test/CodeGen/R600/fdiv.ll b/test/CodeGen/R600/fdiv.ll
index 003590bb53dd603af3e040729da618112a16add7..3d21524de0f4555ab0e9a37ac1f64b4f1845214b 100644 (file)
--- a/test/CodeGen/R600/fdiv.ll
+++ b/test/CodeGen/R600/fdiv.ll
@@ -1,15 +1,46 @@
-;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
+; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
+; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI-CHECK
 
-;CHECK: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
-;CHECK: MUL_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
-;CHECK: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
-;CHECK: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
-;CHECK: MUL_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
-;CHECK: MUL_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
-;CHECK: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
-;CHECK: MUL_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; These tests check that fdiv is expanded correctly and also test that the
+; scheduler is scheduling the RECIP_IEEE and MUL_IEEE instructions in separate
+; instruction groups.
 
-define void @test(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) {
+; R600-CHECK: @fdiv_v2f32
+; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW]}}, KC0[3].Z
+; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW]}}, KC0[3].Y
+; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}}, KC0[3].X, PS
+; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}}, KC0[2].W, PS
+; SI-CHECK: @fdiv_v2f32
+; SI-CHECK-DAG: V_RCP_F32
+; SI-CHECK-DAG: V_MUL_F32
+; SI-CHECK-DAG: V_RCP_F32
+; SI-CHECK-DAG: V_MUL_F32
+define void @fdiv_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) {
+entry:
+  %0 = fdiv <2 x float> %a, %b
+  store <2 x float> %0, <2 x float> addrspace(1)* %out
+  ret void
+}
+
+; R600-CHECK: @fdiv_v4f32
+; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
+; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}, PS
+; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}, PS
+; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}, PS
+; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}, PS
+; SI-CHECK: @fdiv_v4f32
+; SI-CHECK-DAG: V_RCP_F32
+; SI-CHECK-DAG: V_MUL_F32
+; SI-CHECK-DAG: V_RCP_F32
+; SI-CHECK-DAG: V_MUL_F32
+; SI-CHECK-DAG: V_RCP_F32
+; SI-CHECK-DAG: V_MUL_F32
+; SI-CHECK-DAG: V_RCP_F32
+; SI-CHECK-DAG: V_MUL_F32
+define void @fdiv_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) {
   %b_ptr = getelementptr <4 x float> addrspace(1)* %in, i32 1
   %a = load <4 x float> addrspace(1) * %in
   %b = load <4 x float> addrspace(1) * %b_ptr