From 06bd3933ba2d5204c4f51952b76131ec013a3406 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Fri, 1 Aug 2014 17:00:29 +0000
Subject: [PATCH] R600: Cleanup test

Remove -CHECKs, use multiple prefixes, name values,
also test the @llvm.fabs version

llvm-svn: 214525
---
 llvm/test/CodeGen/R600/fabs.ll | 124 ++++++++++++++++++++++++++---------------
 1 file changed, 78 insertions(+), 46 deletions(-)

diff --git a/llvm/test/CodeGen/R600/fabs.ll b/llvm/test/CodeGen/R600/fabs.ll
index fa1b608..fc59e90 100644
--- a/llvm/test/CodeGen/R600/fabs.ll
+++ b/llvm/test/CodeGen/R600/fabs.ll
@@ -1,66 +1,98 @@
-; 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
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
+
 
 ; DAGCombiner will transform:
 ; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF))
 ; unless isFabsFree returns true
 
-; R600-CHECK-LABEL: @fabs_free
-; R600-CHECK-NOT: AND
-; R600-CHECK: |PV.{{[XYZW]}}|
-; SI-CHECK-LABEL: @fabs_free
-; SI-CHECK: V_AND_B32
+; FUNC-LABEL: @fabs_fn_free
+; R600-NOT: AND
+; R600: |PV.{{[XYZW]}}|
+
+; SI: V_AND_B32
+
+define void @fabs_fn_free(float addrspace(1)* %out, i32 %in) {
+  %bc= bitcast i32 %in to float
+  %fabs = call float @fabs(float %bc)
+  store float %fabs, float addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: @fabs_free
+; R600-NOT: AND
+; R600: |PV.{{[XYZW]}}|
+
+; SI: V_AND_B32
 
 define void @fabs_free(float addrspace(1)* %out, i32 %in) {
-entry:
-  %0 = bitcast i32 %in to float
-  %1 = call float @fabs(float %0)
-  store float %1, float addrspace(1)* %out
+  %bc= bitcast i32 %in to float
+  %fabs = call float @llvm.fabs.f32(float %bc)
+  store float %fabs, float addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: @fabs_f32
+; R600: |{{(PV|T[0-9])\.[XYZW]}}|
+
+; SI: V_AND_B32
+define void @fabs_f32(float addrspace(1)* %out, float %in) {
+  %fabs = call float @llvm.fabs.f32(float %in)
+  store float %fabs, float addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: @fabs_v2f32
+; R600: |{{(PV|T[0-9])\.[XYZW]}}|
+; R600: |{{(PV|T[0-9])\.[XYZW]}}|
+
+; SI: V_AND_B32
+; SI: V_AND_B32
+define void @fabs_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) {
+  %fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in)
+  store <2 x float> %fabs, <2 x float> addrspace(1)* %out
   ret void
 }
 
-; R600-CHECK-LABEL: @fabs_v2
-; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
-; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
-; SI-CHECK-LABEL: @fabs_v2
-; SI-CHECK: V_AND_B32
-; SI-CHECK: V_AND_B32
-define void @fabs_v2(<2 x float> addrspace(1)* %out, <2 x float> %in) {
-entry:
-  %0 = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in)
-  store <2 x float> %0, <2 x float> addrspace(1)* %out
+; FUNC-LABEL: @fabs_v4
+; R600: |{{(PV|T[0-9])\.[XYZW]}}|
+; R600: |{{(PV|T[0-9])\.[XYZW]}}|
+; R600: |{{(PV|T[0-9])\.[XYZW]}}|
+; R600: |{{(PV|T[0-9])\.[XYZW]}}|
+
+; SI: V_AND_B32
+; SI: V_AND_B32
+; SI: V_AND_B32
+; SI: V_AND_B32
+define void @fabs_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) {
+  %fabs = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in)
+  store <4 x float> %fabs, <4 x float> addrspace(1)* %out
   ret void
 }
 
-; R600-CHECK-LABEL: @fabs_v4
-; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
-; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
-; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
-; R600-CHECK: |{{(PV|T[0-9])\.[XYZW]}}|
-; SI-CHECK-LABEL: @fabs_v4
-; SI-CHECK: V_AND_B32
-; SI-CHECK: V_AND_B32
-; SI-CHECK: V_AND_B32
-; SI-CHECK: V_AND_B32
-define void @fabs_v4(<4 x float> addrspace(1)* %out, <4 x float> %in) {
-entry:
-  %0 = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in)
-  store <4 x float> %0, <4 x float> addrspace(1)* %out
+; SI-LABEL: @fabs_fn_fold
+; SI: S_LOAD_DWORD [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xb
+; SI-NOT: V_AND_B32_e32
+; SI: V_MUL_F32_e64 v{{[0-9]+}}, |[[ABS_VALUE]]|, v{{[0-9]+}}
+define void @fabs_fn_fold(float addrspace(1)* %out, float %in0, float %in1) {
+  %fabs = call float @fabs(float %in0)
+  %fmul = fmul float %fabs, %in1
+  store float %fmul, float addrspace(1)* %out
   ret void
 }
 
-; SI-CHECK-LABEL: @fabs_fold
-; SI-CHECK: S_LOAD_DWORD [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xb
-; SI-CHECK-NOT: V_AND_B32_e32
-; SI-CHECK: V_MUL_F32_e64 v{{[0-9]+}}, |[[ABS_VALUE]]|, v{{[0-9]+}}
+; SI-LABEL: @fabs_fold
+; SI: S_LOAD_DWORD [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xb
+; SI-NOT: V_AND_B32_e32
+; SI: V_MUL_F32_e64 v{{[0-9]+}}, |[[ABS_VALUE]]|, v{{[0-9]+}}
 define void @fabs_fold(float addrspace(1)* %out, float %in0, float %in1) {
-entry:
-  %0 = call float @fabs(float %in0)
-  %1 = fmul float %0, %in1
-  store float %1, float addrspace(1)* %out
+  %fabs = call float @llvm.fabs.f32(float %in0)
+  %fmul = fmul float %fabs, %in1
+  store float %fmul, float addrspace(1)* %out
   ret void
 }
 
-declare float @fabs(float ) readnone
-declare <2 x float> @llvm.fabs.v2f32(<2 x float> ) readnone
-declare <4 x float> @llvm.fabs.v4f32(<4 x float> ) readnone
+declare float @fabs(float) readnone
+declare float @llvm.fabs.f32(float) readnone
+declare <2 x float> @llvm.fabs.v2f32(<2 x float>) readnone
+declare <4 x float> @llvm.fabs.v4f32(<4 x float>) readnone
-- 
2.7.4