From 06019e312571c886494d3287e8962e5d5943dab8 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Thu, 28 May 2020 10:46:23 -0400
Subject: [PATCH] AMDGPU: Add missing test for s_denorm_mode scheduling

Forgot to add this file to 1a9e0d7092145e33175f628f4cdd28acf0d17100
---
 .../AMDGPU/schedule-barrier-fpmode.mir        | 99 +++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 llvm/test/CodeGen/AMDGPU/schedule-barrier-fpmode.mir

diff --git a/llvm/test/CodeGen/AMDGPU/schedule-barrier-fpmode.mir b/llvm/test/CodeGen/AMDGPU/schedule-barrier-fpmode.mir
new file mode 100644
index 000000000000..117e6f588162
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/schedule-barrier-fpmode.mir
@@ -0,0 +1,99 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass=machine-scheduler -o - %s | FileCheck %s
+# Make sure FP mode is not a hard scheduling boundary
+
+---
+name: denorm_mode_not_barrier
+tracksRegLiveness: true
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: denorm_mode_not_barrier
+    ; CHECK: liveins: $vgpr0_vgpr1
+    ; CHECK: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
+    ; CHECK: [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY]], 0, 0, 0, 0, implicit $exec :: (load 4)
+    ; CHECK: [[GLOBAL_LOAD_DWORD1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY]], 4, 0, 0, 0, implicit $exec :: (load 4)
+    ; CHECK: [[V_ADD_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e32 [[GLOBAL_LOAD_DWORD]], [[GLOBAL_LOAD_DWORD1]], implicit $exec
+    ; CHECK: S_DENORM_MODE 0, implicit-def $mode, implicit $mode
+    ; CHECK: S_ENDPGM 0, implicit [[V_ADD_U32_e32_]]
+    %0:vreg_64 = COPY $vgpr0_vgpr1
+    %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec :: (load 4)
+    S_DENORM_MODE 0, implicit-def $mode, implicit $mode
+    %2:vgpr_32 = GLOBAL_LOAD_DWORD %0, 4, 0, 0, 0, implicit $exec :: (load 4)
+    %3:vgpr_32 = V_ADD_U32_e32 %1, %2, implicit $exec
+    S_ENDPGM 0, implicit %3
+...
+
+---
+name: round_mode_not_barrier
+tracksRegLiveness: true
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: round_mode_not_barrier
+    ; CHECK: liveins: $vgpr0_vgpr1
+    ; CHECK: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
+    ; CHECK: [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY]], 0, 0, 0, 0, implicit $exec :: (load 4)
+    ; CHECK: [[GLOBAL_LOAD_DWORD1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY]], 4, 0, 0, 0, implicit $exec :: (load 4)
+    ; CHECK: [[V_ADD_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e32 [[GLOBAL_LOAD_DWORD]], [[GLOBAL_LOAD_DWORD1]], implicit $exec
+    ; CHECK: S_ROUND_MODE 0, implicit-def $mode, implicit $mode
+    ; CHECK: S_ENDPGM 0, implicit [[V_ADD_U32_e32_]]
+    %0:vreg_64 = COPY $vgpr0_vgpr1
+    %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec :: (load 4)
+    S_ROUND_MODE 0, implicit-def $mode, implicit $mode
+    %2:vgpr_32 = GLOBAL_LOAD_DWORD %0, 4, 0, 0, 0, implicit $exec :: (load 4)
+    %3:vgpr_32 = V_ADD_U32_e32 %1, %2, implicit $exec
+    S_ENDPGM 0, implicit %3
+...
+
+---
+name: denorm_mode_mode_def_use
+tracksRegLiveness: true
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: denorm_mode_mode_def_use
+    ; CHECK: liveins: $vgpr0_vgpr1
+    ; CHECK: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
+    ; CHECK: [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY]], 0, 0, 0, 0, implicit $exec :: (load 4)
+    ; CHECK: dead %3:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY]], 4, 0, 0, 0, implicit $exec :: (load 4)
+    ; CHECK: S_DENORM_MODE 0, implicit-def $mode, implicit $mode
+    ; CHECK: [[V_ADD_F32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 0, [[GLOBAL_LOAD_DWORD]], implicit $mode, implicit $exec
+    ; CHECK: [[V_ADD_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e32 [[GLOBAL_LOAD_DWORD]], [[V_ADD_F32_e32_]], implicit $exec
+    ; CHECK: S_ENDPGM 0, implicit [[V_ADD_F32_e32_]], implicit [[V_ADD_U32_e32_]]
+    %0:vreg_64 = COPY $vgpr0_vgpr1
+    %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec :: (load 4)
+    S_DENORM_MODE 0, implicit-def $mode, implicit $mode
+    %2:vgpr_32 = V_ADD_F32_e32 0, %1, implicit $mode, implicit $exec
+    %3:vgpr_32 = GLOBAL_LOAD_DWORD %0, 4, 0, 0, 0, implicit $exec :: (load 4)
+    %4:vgpr_32 = V_ADD_U32_e32 %1, %2, implicit $exec
+    S_ENDPGM 0, implicit %2, implicit %4
+...
+
+---
+name: round_mode_mode_def_use
+tracksRegLiveness: true
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: round_mode_mode_def_use
+    ; CHECK: liveins: $vgpr0_vgpr1
+    ; CHECK: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
+    ; CHECK: [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY]], 0, 0, 0, 0, implicit $exec :: (load 4)
+    ; CHECK: dead %3:vgpr_32 = GLOBAL_LOAD_DWORD [[COPY]], 4, 0, 0, 0, implicit $exec :: (load 4)
+    ; CHECK: S_ROUND_MODE 0, implicit-def $mode, implicit $mode
+    ; CHECK: [[V_ADD_F32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_F32_e32 0, [[GLOBAL_LOAD_DWORD]], implicit $mode, implicit $exec
+    ; CHECK: [[V_ADD_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e32 [[GLOBAL_LOAD_DWORD]], [[V_ADD_F32_e32_]], implicit $exec
+    ; CHECK: S_ENDPGM 0, implicit [[V_ADD_F32_e32_]], implicit [[V_ADD_U32_e32_]]
+    %0:vreg_64 = COPY $vgpr0_vgpr1
+    %1:vgpr_32 = GLOBAL_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec :: (load 4)
+    S_ROUND_MODE 0, implicit-def $mode, implicit $mode
+    %2:vgpr_32 = V_ADD_F32_e32 0, %1, implicit $mode, implicit $exec
+    %3:vgpr_32 = GLOBAL_LOAD_DWORD %0, 4, 0, 0, 0, implicit $exec :: (load 4)
+    %4:vgpr_32 = V_ADD_U32_e32 %1, %2, implicit $exec
+    S_ENDPGM 0, implicit %2, implicit %4
+...