AMDGPU/GlobalISel: Fix import of integer med3

This isn't too useful now, since nothing is currently trying to form
min/max from cmp+select.

4 files changed, 616 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-smed3.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-smed3.mir
new file mode 100644
index 00000000000..b09abd4be1a
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-smed3.mir
@@ -0,0 +1,140 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX6 %s
+
+---
+name: smed3_s32_vvv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX6-LABEL: name: smed3_s32_vvv
+    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX6: [[V_MED3_I32_:%[0-9]+]]:vgpr_32 = V_MED3_I32 [[COPY]], [[COPY1]], [[COPY2]], implicit $exec
+    ; GFX6: S_ENDPGM 0, implicit [[V_MED3_I32_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s32) = G_SMAX %0, %1
+    %4:vgpr(s32) = G_SMIN %0, %1
+    %5:vgpr(s32) = G_SMAX %4, %2
+    %6:vgpr(s32) = G_SMIN %3, %5
+    S_ENDPGM 0, implicit %6
+...
+
+---
+
+name: smed3_s32_sss
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2
+
+    ; GFX6-LABEL: name: smed3_s32_sss
+    ; GFX6: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2
+    ; GFX6: [[S_MAX_I32_:%[0-9]+]]:sreg_32 = S_MAX_I32 [[COPY]], [[COPY1]], implicit-def $scc
+    ; GFX6: [[S_MIN_I32_:%[0-9]+]]:sreg_32 = S_MIN_I32 [[COPY]], [[COPY1]], implicit-def $scc
+    ; GFX6: [[S_MAX_I32_1:%[0-9]+]]:sreg_32 = S_MAX_I32 [[S_MIN_I32_]], [[COPY2]], implicit-def $scc
+    ; GFX6: [[S_MIN_I32_1:%[0-9]+]]:sreg_32 = S_MIN_I32 [[S_MAX_I32_]], [[S_MAX_I32_1]], implicit-def $scc
+    ; GFX6: S_ENDPGM 0, implicit [[S_MIN_I32_1]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:sgpr(s32) = COPY $sgpr1
+    %2:sgpr(s32) = COPY $sgpr2
+    %3:sgpr(s32) = G_SMAX %0, %1
+    %4:sgpr(s32) = G_SMIN %0, %1
+    %5:sgpr(s32) = G_SMAX %4, %2
+    %6:sgpr(s32) = G_SMIN %3, %5
+    S_ENDPGM 0, implicit %6
+...
+
+---
+name: smed3_s32_vvv_multiuse0
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX6-LABEL: name: smed3_s32_vvv_multiuse0
+    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX6: [[V_MAX_I32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MIN_I32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MAX_I32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I32_e64 [[V_MIN_I32_e64_]], [[COPY2]], implicit $exec
+    ; GFX6: [[V_MIN_I32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I32_e64 [[V_MAX_I32_e64_]], [[V_MAX_I32_e64_1]], implicit $exec
+    ; GFX6: S_ENDPGM 0, implicit [[V_MIN_I32_e64_1]], implicit [[V_MAX_I32_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s32) = G_SMAX %0, %1
+    %4:vgpr(s32) = G_SMIN %0, %1
+    %5:vgpr(s32) = G_SMAX %4, %2
+    %6:vgpr(s32) = G_SMIN %3, %5
+    S_ENDPGM 0, implicit %6, implicit %3
+...
+
+---
+name: smed3_s32_vvv_multiuse1
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX6-LABEL: name: smed3_s32_vvv_multiuse1
+    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX6: [[V_MAX_I32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MIN_I32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MAX_I32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I32_e64 [[V_MIN_I32_e64_]], [[COPY2]], implicit $exec
+    ; GFX6: [[V_MIN_I32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I32_e64 [[V_MAX_I32_e64_]], [[V_MAX_I32_e64_1]], implicit $exec
+    ; GFX6: S_ENDPGM 0, implicit [[V_MIN_I32_e64_1]], implicit [[V_MIN_I32_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s32) = G_SMAX %0, %1
+    %4:vgpr(s32) = G_SMIN %0, %1
+    %5:vgpr(s32) = G_SMAX %4, %2
+    %6:vgpr(s32) = G_SMIN %3, %5
+    S_ENDPGM 0, implicit %6, implicit %4
+...
+
+---
+name: smed3_s32_vvv_multiuse2
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX6-LABEL: name: smed3_s32_vvv_multiuse2
+    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX6: [[V_MAX_I32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MIN_I32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MAX_I32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I32_e64 [[V_MIN_I32_e64_]], [[COPY2]], implicit $exec
+    ; GFX6: [[V_MIN_I32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I32_e64 [[V_MAX_I32_e64_]], [[V_MAX_I32_e64_1]], implicit $exec
+    ; GFX6: S_ENDPGM 0, implicit [[V_MIN_I32_e64_1]], implicit [[V_MAX_I32_e64_1]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s32) = G_SMAX %0, %1
+    %4:vgpr(s32) = G_SMIN %0, %1
+    %5:vgpr(s32) = G_SMAX %4, %2
+    %6:vgpr(s32) = G_SMIN %3, %5
+    S_ENDPGM 0, implicit %6, implicit %5
+...
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-smed3.s16.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-smed3.s16.mir
new file mode 100644
index 00000000000..9e029ee5e06
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-smed3.s16.mir
@@ -0,0 +1,168 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX8 %s
+# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX9 %s
+
+---
+name: smed3_s16_vvv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX8-LABEL: name: smed3_s16_vvv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX8: [[V_MAX_I16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MIN_I16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MAX_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[V_MIN_I16_e64_]], [[COPY2]], implicit $exec
+    ; GFX8: [[V_MIN_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[V_MAX_I16_e64_]], [[V_MAX_I16_e64_1]], implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_I16_e64_1]]
+    ; GFX9-LABEL: name: smed3_s16_vvv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX9: [[V_MED3_I16_:%[0-9]+]]:vgpr_32 = V_MED3_I16 0, [[COPY]], 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MED3_I16_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s16) = G_TRUNC %0
+    %4:vgpr(s16) = G_TRUNC %1
+    %5:vgpr(s16) = G_TRUNC %2
+
+    %6:vgpr(s16) = G_SMAX %3, %4
+    %7:vgpr(s16) = G_SMIN %3, %4
+    %8:vgpr(s16) = G_SMAX %7, %5
+    %9:vgpr(s16) = G_SMIN %6, %8
+
+    S_ENDPGM 0, implicit %9
+...
+
+---
+name: smed3_s16_vvv_multiuse0
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX8-LABEL: name: smed3_s16_vvv_multiuse0
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX8: [[V_MAX_I16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MIN_I16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MAX_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[V_MIN_I16_e64_]], [[COPY2]], implicit $exec
+    ; GFX8: [[V_MIN_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[V_MAX_I16_e64_]], [[V_MAX_I16_e64_1]], implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_I16_e64_1]], implicit [[V_MAX_I16_e64_]]
+    ; GFX9-LABEL: name: smed3_s16_vvv_multiuse0
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX9: [[V_MAX_I16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MIN_I16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MAX_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[V_MIN_I16_e64_]], [[COPY2]], implicit $exec
+    ; GFX9: [[V_MIN_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[V_MAX_I16_e64_]], [[V_MAX_I16_e64_1]], implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_I16_e64_1]], implicit [[V_MAX_I16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s16) = G_TRUNC %0
+    %4:vgpr(s16) = G_TRUNC %1
+    %5:vgpr(s16) = G_TRUNC %2
+
+    %6:vgpr(s16) = G_SMAX %3, %4
+    %7:vgpr(s16) = G_SMIN %3, %4
+    %8:vgpr(s16) = G_SMAX %7, %5
+    %9:vgpr(s16) = G_SMIN %6, %8
+
+    S_ENDPGM 0, implicit %9, implicit %6
+...
+
+---
+name: smed3_s16_vvv_multiuse1
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX8-LABEL: name: smed3_s16_vvv_multiuse1
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX8: [[V_MAX_I16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MIN_I16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MAX_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[V_MIN_I16_e64_]], [[COPY2]], implicit $exec
+    ; GFX8: [[V_MIN_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[V_MAX_I16_e64_]], [[V_MAX_I16_e64_1]], implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_I16_e64_1]], implicit [[V_MIN_I16_e64_]]
+    ; GFX9-LABEL: name: smed3_s16_vvv_multiuse1
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX9: [[V_MAX_I16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MIN_I16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MAX_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[V_MIN_I16_e64_]], [[COPY2]], implicit $exec
+    ; GFX9: [[V_MIN_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[V_MAX_I16_e64_]], [[V_MAX_I16_e64_1]], implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_I16_e64_1]], implicit [[V_MIN_I16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s16) = G_TRUNC %0
+    %4:vgpr(s16) = G_TRUNC %1
+    %5:vgpr(s16) = G_TRUNC %2
+
+    %6:vgpr(s16) = G_SMAX %3, %4
+    %7:vgpr(s16) = G_SMIN %3, %4
+    %8:vgpr(s16) = G_SMAX %7, %5
+    %9:vgpr(s16) = G_SMIN %6, %8
+
+    S_ENDPGM 0, implicit %9, implicit %7
+...
+
+---
+name: smed3_s16_vvv_multiuse2
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX8-LABEL: name: smed3_s16_vvv_multiuse2
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX8: [[V_MAX_I16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MIN_I16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MAX_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[V_MIN_I16_e64_]], [[COPY2]], implicit $exec
+    ; GFX8: [[V_MIN_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[V_MAX_I16_e64_]], [[V_MAX_I16_e64_1]], implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_I16_e64_1]], implicit [[V_MAX_I16_e64_1]]
+    ; GFX9-LABEL: name: smed3_s16_vvv_multiuse2
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX9: [[V_MAX_I16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MIN_I16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MAX_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_I16_e64 [[V_MIN_I16_e64_]], [[COPY2]], implicit $exec
+    ; GFX9: [[V_MIN_I16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_I16_e64 [[V_MAX_I16_e64_]], [[V_MAX_I16_e64_1]], implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_I16_e64_1]], implicit [[V_MAX_I16_e64_1]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s16) = G_TRUNC %0
+    %4:vgpr(s16) = G_TRUNC %1
+    %5:vgpr(s16) = G_TRUNC %2
+
+    %6:vgpr(s16) = G_SMAX %3, %4
+    %7:vgpr(s16) = G_SMIN %3, %4
+    %8:vgpr(s16) = G_SMAX %7, %5
+    %9:vgpr(s16) = G_SMIN %6, %8
+
+    S_ENDPGM 0, implicit %9, implicit %8
+...
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-umed3.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-umed3.mir
new file mode 100644
index 00000000000..a8341251faf
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-umed3.mir
@@ -0,0 +1,140 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX6 %s
+
+---
+name: umed3_s32_vvv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX6-LABEL: name: umed3_s32_vvv
+    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX6: [[V_MED3_U32_:%[0-9]+]]:vgpr_32 = V_MED3_U32 [[COPY]], [[COPY1]], [[COPY2]], implicit $exec
+    ; GFX6: S_ENDPGM 0, implicit [[V_MED3_U32_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s32) = G_UMAX %0, %1
+    %4:vgpr(s32) = G_UMIN %0, %1
+    %5:vgpr(s32) = G_UMAX %4, %2
+    %6:vgpr(s32) = G_UMIN %3, %5
+    S_ENDPGM 0, implicit %6
+...
+
+---
+
+name: umed3_s32_sss
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2
+
+    ; GFX6-LABEL: name: umed3_s32_sss
+    ; GFX6: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2
+    ; GFX6: [[S_MAX_U32_:%[0-9]+]]:sreg_32 = S_MAX_U32 [[COPY]], [[COPY1]], implicit-def $scc
+    ; GFX6: [[S_MIN_U32_:%[0-9]+]]:sreg_32 = S_MIN_U32 [[COPY]], [[COPY1]], implicit-def $scc
+    ; GFX6: [[S_MAX_U32_1:%[0-9]+]]:sreg_32 = S_MAX_U32 [[S_MIN_U32_]], [[COPY2]], implicit-def $scc
+    ; GFX6: [[S_MIN_U32_1:%[0-9]+]]:sreg_32 = S_MIN_U32 [[S_MAX_U32_]], [[S_MAX_U32_1]], implicit-def $scc
+    ; GFX6: S_ENDPGM 0, implicit [[S_MIN_U32_1]]
+    %0:sgpr(s32) = COPY $sgpr0
+    %1:sgpr(s32) = COPY $sgpr1
+    %2:sgpr(s32) = COPY $sgpr2
+    %3:sgpr(s32) = G_UMAX %0, %1
+    %4:sgpr(s32) = G_UMIN %0, %1
+    %5:sgpr(s32) = G_UMAX %4, %2
+    %6:sgpr(s32) = G_UMIN %3, %5
+    S_ENDPGM 0, implicit %6
+...
+
+---
+name: umed3_s32_vvv_multiuse0
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX6-LABEL: name: umed3_s32_vvv_multiuse0
+    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX6: [[V_MAX_U32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MIN_U32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MAX_U32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U32_e64 [[V_MIN_U32_e64_]], [[COPY2]], implicit $exec
+    ; GFX6: [[V_MIN_U32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U32_e64 [[V_MAX_U32_e64_]], [[V_MAX_U32_e64_1]], implicit $exec
+    ; GFX6: S_ENDPGM 0, implicit [[V_MIN_U32_e64_1]], implicit [[V_MAX_U32_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s32) = G_UMAX %0, %1
+    %4:vgpr(s32) = G_UMIN %0, %1
+    %5:vgpr(s32) = G_UMAX %4, %2
+    %6:vgpr(s32) = G_UMIN %3, %5
+    S_ENDPGM 0, implicit %6, implicit %3
+...
+
+---
+name: umed3_s32_vvv_multiuse1
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX6-LABEL: name: umed3_s32_vvv_multiuse1
+    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX6: [[V_MAX_U32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MIN_U32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MAX_U32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U32_e64 [[V_MIN_U32_e64_]], [[COPY2]], implicit $exec
+    ; GFX6: [[V_MIN_U32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U32_e64 [[V_MAX_U32_e64_]], [[V_MAX_U32_e64_1]], implicit $exec
+    ; GFX6: S_ENDPGM 0, implicit [[V_MIN_U32_e64_1]], implicit [[V_MIN_U32_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s32) = G_UMAX %0, %1
+    %4:vgpr(s32) = G_UMIN %0, %1
+    %5:vgpr(s32) = G_UMAX %4, %2
+    %6:vgpr(s32) = G_UMIN %3, %5
+    S_ENDPGM 0, implicit %6, implicit %4
+...
+
+---
+name: umed3_s32_vvv_multiuse2
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX6-LABEL: name: umed3_s32_vvv_multiuse2
+    ; GFX6: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX6: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX6: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX6: [[V_MAX_U32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MIN_U32_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U32_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX6: [[V_MAX_U32_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U32_e64 [[V_MIN_U32_e64_]], [[COPY2]], implicit $exec
+    ; GFX6: [[V_MIN_U32_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U32_e64 [[V_MAX_U32_e64_]], [[V_MAX_U32_e64_1]], implicit $exec
+    ; GFX6: S_ENDPGM 0, implicit [[V_MIN_U32_e64_1]], implicit [[V_MAX_U32_e64_1]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s32) = G_UMAX %0, %1
+    %4:vgpr(s32) = G_UMIN %0, %1
+    %5:vgpr(s32) = G_UMAX %4, %2
+    %6:vgpr(s32) = G_UMIN %3, %5
+    S_ENDPGM 0, implicit %6, implicit %5
+...
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-umed3.s16.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-umed3.s16.mir
new file mode 100644
index 00000000000..c323883ff61
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-pattern-umed3.s16.mir
@@ -0,0 +1,168 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX8 %s
+# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX9 %s
+
+---
+name: umed3_s16_vvv
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX8-LABEL: name: umed3_s16_vvv
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX8: [[V_MAX_U16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MIN_U16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MAX_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[V_MIN_U16_e64_]], [[COPY2]], implicit $exec
+    ; GFX8: [[V_MIN_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[V_MAX_U16_e64_]], [[V_MAX_U16_e64_1]], implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_U16_e64_1]]
+    ; GFX9-LABEL: name: umed3_s16_vvv
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX9: [[V_MED3_U16_:%[0-9]+]]:vgpr_32 = V_MED3_U16 0, [[COPY]], 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MED3_U16_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s16) = G_TRUNC %0
+    %4:vgpr(s16) = G_TRUNC %1
+    %5:vgpr(s16) = G_TRUNC %2
+
+    %6:vgpr(s16) = G_UMAX %3, %4
+    %7:vgpr(s16) = G_UMIN %3, %4
+    %8:vgpr(s16) = G_UMAX %7, %5
+    %9:vgpr(s16) = G_UMIN %6, %8
+
+    S_ENDPGM 0, implicit %9
+...
+
+---
+name: umed3_s16_vvv_multiuse0
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX8-LABEL: name: umed3_s16_vvv_multiuse0
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX8: [[V_MAX_U16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MIN_U16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MAX_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[V_MIN_U16_e64_]], [[COPY2]], implicit $exec
+    ; GFX8: [[V_MIN_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[V_MAX_U16_e64_]], [[V_MAX_U16_e64_1]], implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_U16_e64_1]], implicit [[V_MAX_U16_e64_]]
+    ; GFX9-LABEL: name: umed3_s16_vvv_multiuse0
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX9: [[V_MAX_U16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MIN_U16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MAX_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[V_MIN_U16_e64_]], [[COPY2]], implicit $exec
+    ; GFX9: [[V_MIN_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[V_MAX_U16_e64_]], [[V_MAX_U16_e64_1]], implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_U16_e64_1]], implicit [[V_MAX_U16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s16) = G_TRUNC %0
+    %4:vgpr(s16) = G_TRUNC %1
+    %5:vgpr(s16) = G_TRUNC %2
+
+    %6:vgpr(s16) = G_UMAX %3, %4
+    %7:vgpr(s16) = G_UMIN %3, %4
+    %8:vgpr(s16) = G_UMAX %7, %5
+    %9:vgpr(s16) = G_UMIN %6, %8
+
+    S_ENDPGM 0, implicit %9, implicit %6
+...
+
+---
+name: umed3_s16_vvv_multiuse1
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX8-LABEL: name: umed3_s16_vvv_multiuse1
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX8: [[V_MAX_U16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MIN_U16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MAX_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[V_MIN_U16_e64_]], [[COPY2]], implicit $exec
+    ; GFX8: [[V_MIN_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[V_MAX_U16_e64_]], [[V_MAX_U16_e64_1]], implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_U16_e64_1]], implicit [[V_MIN_U16_e64_]]
+    ; GFX9-LABEL: name: umed3_s16_vvv_multiuse1
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX9: [[V_MAX_U16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MIN_U16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MAX_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[V_MIN_U16_e64_]], [[COPY2]], implicit $exec
+    ; GFX9: [[V_MIN_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[V_MAX_U16_e64_]], [[V_MAX_U16_e64_1]], implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_U16_e64_1]], implicit [[V_MIN_U16_e64_]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s16) = G_TRUNC %0
+    %4:vgpr(s16) = G_TRUNC %1
+    %5:vgpr(s16) = G_TRUNC %2
+
+    %6:vgpr(s16) = G_UMAX %3, %4
+    %7:vgpr(s16) = G_UMIN %3, %4
+    %8:vgpr(s16) = G_UMAX %7, %5
+    %9:vgpr(s16) = G_UMIN %6, %8
+
+    S_ENDPGM 0, implicit %9, implicit %7
+...
+
+---
+name: umed3_s16_vvv_multiuse2
+legalized: true
+regBankSelected: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2
+
+    ; GFX8-LABEL: name: umed3_s16_vvv_multiuse2
+    ; GFX8: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX8: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX8: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX8: [[V_MAX_U16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MIN_U16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX8: [[V_MAX_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[V_MIN_U16_e64_]], [[COPY2]], implicit $exec
+    ; GFX8: [[V_MIN_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[V_MAX_U16_e64_]], [[V_MAX_U16_e64_1]], implicit $exec
+    ; GFX8: S_ENDPGM 0, implicit [[V_MIN_U16_e64_1]], implicit [[V_MAX_U16_e64_1]]
+    ; GFX9-LABEL: name: umed3_s16_vvv_multiuse2
+    ; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
+    ; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
+    ; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
+    ; GFX9: [[V_MAX_U16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MIN_U16_e64_:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[COPY]], [[COPY1]], implicit $exec
+    ; GFX9: [[V_MAX_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MAX_U16_e64 [[V_MIN_U16_e64_]], [[COPY2]], implicit $exec
+    ; GFX9: [[V_MIN_U16_e64_1:%[0-9]+]]:vgpr_32 = V_MIN_U16_e64 [[V_MAX_U16_e64_]], [[V_MAX_U16_e64_1]], implicit $exec
+    ; GFX9: S_ENDPGM 0, implicit [[V_MIN_U16_e64_1]], implicit [[V_MAX_U16_e64_1]]
+    %0:vgpr(s32) = COPY $vgpr0
+    %1:vgpr(s32) = COPY $vgpr1
+    %2:vgpr(s32) = COPY $vgpr2
+    %3:vgpr(s16) = G_TRUNC %0
+    %4:vgpr(s16) = G_TRUNC %1
+    %5:vgpr(s16) = G_TRUNC %2
+
+    %6:vgpr(s16) = G_UMAX %3, %4
+    %7:vgpr(s16) = G_UMIN %3, %4
+    %8:vgpr(s16) = G_UMAX %7, %5
+    %9:vgpr(s16) = G_UMIN %6, %8
+
+    S_ENDPGM 0, implicit %9, implicit %8
+...