[llvm] b91afa4 - [AMDGPU] Mark epilog restores as frame-destroy

Sebastian Neubauer via llvm-commits llvm-commits at lists.llvm.org
Tue Feb 2 01:27:13 PST 2021


Author: Sebastian Neubauer
Date: 2021-02-02T10:24:37+01:00
New Revision: b91afa474e124514fe7bd3f399af0cbbcbe961fc

URL: https://github.com/llvm/llvm-project/commit/b91afa474e124514fe7bd3f399af0cbbcbe961fc
DIFF: https://github.com/llvm/llvm-project/commit/b91afa474e124514fe7bd3f399af0cbbcbe961fc.diff

LOG: [AMDGPU] Mark epilog restores as frame-destroy

I guess instructions were marked as frame-setup by accident, they are
restores as part of the epilog.

Differential Revision: https://reviews.llvm.org/D95783

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
    llvm/test/CodeGen/AMDGPU/fix-frame-ptr-reg-copy-livein.ll
    llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-carry-out.mir
    llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-gfx9.mir
    llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr.mir

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
index fe7061ff3967..ac031f7d99c7 100644
--- a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
@@ -1123,13 +1123,13 @@ void SIFrameLowering::emitEpilogue(MachineFunction &MF,
   if (FuncInfo->SGPRForFPSaveRestoreCopy) {
     BuildMI(MBB, MBBI, DL, TII->get(AMDGPU::COPY), FramePtrReg)
         .addReg(FuncInfo->SGPRForFPSaveRestoreCopy)
-        .setMIFlag(MachineInstr::FrameSetup);
+        .setMIFlag(MachineInstr::FrameDestroy);
   }
 
   if (FuncInfo->SGPRForBPSaveRestoreCopy) {
     BuildMI(MBB, MBBI, DL, TII->get(AMDGPU::COPY), BasePtrReg)
         .addReg(FuncInfo->SGPRForBPSaveRestoreCopy)
-        .setMIFlag(MachineInstr::FrameSetup);
+        .setMIFlag(MachineInstr::FrameDestroy);
   }
 
   Register ScratchExecCopy;

diff  --git a/llvm/test/CodeGen/AMDGPU/fix-frame-ptr-reg-copy-livein.ll b/llvm/test/CodeGen/AMDGPU/fix-frame-ptr-reg-copy-livein.ll
index 46a390327a7d..a802249a6583 100644
--- a/llvm/test/CodeGen/AMDGPU/fix-frame-ptr-reg-copy-livein.ll
+++ b/llvm/test/CodeGen/AMDGPU/fix-frame-ptr-reg-copy-livein.ll
@@ -21,7 +21,7 @@ define i32 @fp_save_restore_in_temp_sgpr(%struct.Data addrspace(5)* nocapture re
   ; GCN:   liveins: $sgpr6, $sgpr7, $vgpr0, $vgpr1, $sgpr4_sgpr5, $sgpr8_sgpr9, $sgpr10_sgpr11, $sgpr30_sgpr31
   ; GCN: bb.4.end:
   ; GCN:   liveins: $sgpr7, $vgpr0, $sgpr4_sgpr5, $sgpr30_sgpr31
-  ; GCN:   $sgpr33 = frame-setup COPY $sgpr7
+  ; GCN:   $sgpr33 = frame-destroy COPY $sgpr7
 begin:
   br label %lp_begin
 

diff  --git a/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-carry-out.mir b/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-carry-out.mir
index 2c6ff2e50ca4..7ad421525c6c 100644
--- a/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-carry-out.mir
+++ b/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-carry-out.mir
@@ -41,7 +41,7 @@ body:             |
     ; CHECK: $sgpr33 = S_LSHL_B32 $sgpr33, 6, implicit-def $scc
     ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
     ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc
-    ; CHECK: $sgpr33 = frame-setup COPY $sgpr27
+    ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27
     ; CHECK: S_ENDPGM 0, implicit $vcc
     S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
     $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec
@@ -83,7 +83,7 @@ body:             |
     ; CHECK: $vgpr2 = COPY killed $sgpr29
     ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr31
     ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc
-    ; CHECK: $sgpr33 = frame-setup COPY $sgpr27
+    ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27
     ; CHECK: S_ENDPGM 0, implicit $vcc
     S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr28, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
     $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec
@@ -125,7 +125,7 @@ body:             |
     ; CHECK: $vgpr2, dead $sgpr28_sgpr29 = V_ADD_CO_U32_e64 killed $sgpr28, killed $vgpr2, 0, implicit $exec
     ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr31
     ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc
-    ; CHECK: $sgpr33 = frame-setup COPY $sgpr27
+    ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27
     ; CHECK: S_ENDPGM 0, implicit $vcc
     S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
     $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec
@@ -166,7 +166,7 @@ body:             |
     ; CHECK: $vgpr2, dead $vcc = V_ADD_CO_U32_e64 killed $vcc_lo, killed $vgpr2, 0, implicit $exec
     ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr31
     ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc
-    ; CHECK: $sgpr33 = frame-setup COPY $sgpr27
+    ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27
     ; CHECK: S_ENDPGM 0
     S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr30, implicit-def $sgpr31
     $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec

diff  --git a/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-gfx9.mir b/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-gfx9.mir
index d197ef90c62e..990428d0809a 100644
--- a/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-gfx9.mir
+++ b/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr-gfx9.mir
@@ -34,7 +34,7 @@ body:             |
     ; MUBUF: $vgpr2 = V_ADD_U32_e32 8192, killed $vgpr2, implicit $exec
     ; MUBUF: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
     ; MUBUF: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 1572864, implicit-def $scc
-    ; MUBUF: $sgpr33 = frame-setup COPY $sgpr27
+    ; MUBUF: $sgpr33 = frame-destroy COPY $sgpr27
     ; MUBUF: S_ENDPGM 0, implicit $vcc
     ; FLATSCR-LABEL: name: scavenge_sgpr_pei_no_sgprs
     ; FLATSCR: liveins: $sgpr27, $vgpr1
@@ -48,7 +48,7 @@ body:             |
     ; FLATSCR: $vgpr0 = V_OR_B32_e32 $sgpr33, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
     ; FLATSCR: $sgpr33 = S_SUB_U32 $sgpr33, 8192, implicit-def $scc
     ; FLATSCR: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 24576, implicit-def $scc
-    ; FLATSCR: $sgpr33 = frame-setup COPY $sgpr27
+    ; FLATSCR: $sgpr33 = frame-destroy COPY $sgpr27
     ; FLATSCR: S_ENDPGM 0, implicit $vcc
     S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
     $vgpr0 = V_MOV_B32_e32 %stack.0, implicit $exec

diff  --git a/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr.mir b/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr.mir
index ae1a921f02c2..cf18c235aa87 100644
--- a/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr.mir
+++ b/llvm/test/CodeGen/AMDGPU/pei-scavenge-sgpr.mir
@@ -31,7 +31,7 @@ body:             |
     ; CHECK: $vgpr2 = V_LSHRREV_B32_e64 6, $sgpr33, implicit $exec
     ; CHECK: $vgpr0 = V_OR_B32_e32 killed $vgpr2, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31
     ; CHECK: $sgpr32 = frame-destroy S_SUB_U32 $sgpr32, 524288, implicit-def $scc
-    ; CHECK: $sgpr33 = frame-setup COPY $sgpr27
+    ; CHECK: $sgpr33 = frame-destroy COPY $sgpr27
     ; CHECK: S_ENDPGM 0, implicit $vcc
     S_NOP 0, implicit-def $sgpr4, implicit-def $sgpr5, implicit-def $sgpr6, implicit-def $sgpr7, implicit-def $sgpr8, implicit-def $sgpr9, implicit-def $sgpr10, implicit-def $sgpr11, implicit-def $sgpr12, implicit-def $sgpr13, implicit-def $sgpr14, implicit-def $sgpr15, implicit-def $sgpr16, implicit-def $sgpr17, implicit-def $sgpr18, implicit-def $sgpr19, implicit-def $sgpr20, implicit-def $sgpr21, implicit-def $sgpr22, implicit-def $sgpr23, implicit-def $sgpr24, implicit-def $sgpr25, implicit-def $sgpr26, implicit-def $sgpr17, implicit-def $sgpr28, implicit-def $sgpr29, implicit-def $sgpr30, implicit-def $sgpr31, implicit-def $vcc
     $vgpr0 = V_OR_B32_e32 %stack.0, $vgpr1, implicit $exec, implicit $sgpr4, implicit $sgpr5, implicit $sgpr6, implicit $sgpr7, implicit $sgpr8, implicit $sgpr9, implicit $sgpr10, implicit $sgpr11, implicit $sgpr12, implicit $sgpr13, implicit $sgpr14, implicit $sgpr15, implicit $sgpr16, implicit $sgpr17, implicit $sgpr18, implicit $sgpr19, implicit $sgpr20, implicit $sgpr21, implicit $sgpr22, implicit $sgpr23, implicit $sgpr24, implicit $sgpr25, implicit $sgpr26, implicit $sgpr17, implicit $sgpr28, implicit $sgpr29, implicit $sgpr30, implicit $sgpr31


        


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