fix incorrect implicit uses

Author: Pierre-vh

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sext-inreg.mir

@@ -419,28 +419,26 @@ body: |
     ; GFX9-NEXT: {{  $}}
     ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX9-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
-    ; GFX9-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX9-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s16)
+    ; GFX9-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     ;
     ; GFX8-LABEL: name: test_sext_inreg_s16_1
     ; GFX8: liveins: $vgpr0
     ; GFX8-NEXT: {{  $}}
     ; GFX8-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX8-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
-    ; GFX8-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX8-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s16)
+    ; GFX8-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     ;
     ; GFX6-LABEL: name: test_sext_inreg_s16_1
     ; GFX6: liveins: $vgpr0
     ; GFX6-NEXT: {{  $}}
     ; GFX6-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX6-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
-    ; GFX6-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX6-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s16)
+    ; GFX6-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     %0:_(s32) = COPY $vgpr0
     %1:_(s16) = G_TRUNC %0
     %2:_(s16) = G_SEXT_INREG %1, 1
-    S_ENDPGM 0, implicit %2
+    %3:_(s32) = G_ANYEXT %2
+    $vgpr0 = COPY %3
 
 ...
 
@@ -455,28 +453,26 @@ body: |
     ; GFX9-NEXT: {{  $}}
     ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX9-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 15
-    ; GFX9-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX9-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s16)
+    ; GFX9-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     ;
     ; GFX8-LABEL: name: test_sext_inreg_s16_15
     ; GFX8: liveins: $vgpr0
     ; GFX8-NEXT: {{  $}}
     ; GFX8-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX8-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 15
-    ; GFX8-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX8-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s16)
+    ; GFX8-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     ;
     ; GFX6-LABEL: name: test_sext_inreg_s16_15
     ; GFX6: liveins: $vgpr0
     ; GFX6-NEXT: {{  $}}
     ; GFX6-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX6-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 15
-    ; GFX6-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX6-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s16)
+    ; GFX6-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     %0:_(s32) = COPY $vgpr0
     %1:_(s16) = G_TRUNC %0
     %2:_(s16) = G_SEXT_INREG %1, 15
-    S_ENDPGM 0, implicit %2
+    %3:_(s32) = G_ANYEXT %2
+    $vgpr0 = COPY %3
 
 ...
 
@@ -491,28 +487,26 @@ body: |
     ; GFX9-NEXT: {{  $}}
     ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX9-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
-    ; GFX9-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX9-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s8)
+    ; GFX9-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     ;
     ; GFX8-LABEL: name: test_sext_inreg_s8_1
     ; GFX8: liveins: $vgpr0
     ; GFX8-NEXT: {{  $}}
     ; GFX8-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX8-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
-    ; GFX8-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX8-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s8)
+    ; GFX8-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     ;
     ; GFX6-LABEL: name: test_sext_inreg_s8_1
     ; GFX6: liveins: $vgpr0
     ; GFX6-NEXT: {{  $}}
     ; GFX6-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX6-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
-    ; GFX6-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX6-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s8)
+    ; GFX6-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     %0:_(s32) = COPY $vgpr0
     %1:_(s8) = G_TRUNC %0
     %2:_(s8) = G_SEXT_INREG %1, 1
-    S_ENDPGM 0, implicit %2
+    %3:_(s32) = G_ANYEXT %2
+    $vgpr0 = COPY %3
 
 ...
 
@@ -527,28 +521,26 @@ body: |
     ; GFX9-NEXT: {{  $}}
     ; GFX9-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX9-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 7
-    ; GFX9-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX9-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s8)
+    ; GFX9-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     ;
     ; GFX8-LABEL: name: test_sext_inreg_s16_7
     ; GFX8: liveins: $vgpr0
     ; GFX8-NEXT: {{  $}}
     ; GFX8-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX8-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 7
-    ; GFX8-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX8-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s8)
+    ; GFX8-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     ;
     ; GFX6-LABEL: name: test_sext_inreg_s16_7
     ; GFX6: liveins: $vgpr0
     ; GFX6-NEXT: {{  $}}
     ; GFX6-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
     ; GFX6-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 7
-    ; GFX6-NEXT: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[SEXT_INREG]](s32)
-    ; GFX6-NEXT: S_ENDPGM 0, implicit [[TRUNC]](s8)
+    ; GFX6-NEXT: $vgpr0 = COPY [[SEXT_INREG]](s32)
     %0:_(s32) = COPY $vgpr0
     %1:_(s8) = G_TRUNC %0
     %2:_(s8) = G_SEXT_INREG %1, 7
-    S_ENDPGM 0, implicit %2
+    %3:_(s32) = G_ANYEXT %2
+    $vgpr0 = COPY %3
 
 ...