[DPWBS-1180] Adding Instruction Selection support for G_FMUL and the …

…corresponding test case.
llvm · Feb 5, 2020 · 484a046 · 484a046
1 parent 7d4d4ea
commit 484a046
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diff --git a/llvm/lib/Target/TriCore/TriCoreGISelPattern.td b/llvm/lib/Target/TriCore/TriCoreGISelPattern.td
@@ -172,6 +172,8 @@ def : SimpleBinOpPat<fadd, ADDF_ddd>;
 def : SimpleBinOpPat<fadd, ADDDF_eee, ExtDataRegs>;
 def : SimpleBinOpPat<fsub, SUBF_ddd>;
 def : SimpleBinOpPat<fsub, SUBDF_eee, ExtDataRegs>;
+def : SimpleBinOpPat<fmul, MULF_ddd>;
+def : SimpleBinOpPat<fmul, MULDF_eee, ExtDataRegs>;
 
 //===----------------------------------------------------------------------===//
 // Others

diff --git a/llvm/test/CodeGen/TriCore/GlobalIsel/select-binop.mir b/llvm/test/CodeGen/TriCore/GlobalIsel/select-binop.mir
@@ -411,3 +411,52 @@ body:             |
     $e4 = COPY %2(s64)
 ...
 
+---
+name:            fmul_s32
+legalized:       true
+regBankSelected: true
+
+registers:
+  - { id: 0, class: dataregbank }
+  - { id: 1, class: dataregbank }
+  - { id: 2, class: dataregbank }
+
+body:             |
+  bb.0:
+    liveins: $d4, $d5
+
+    ; CHECK-LABEL: name: fmul_s32
+    ; CHECK: [[COPY:%[0-9]+]]:dataregs = COPY $d4
+    ; CHECK: [[COPY1:%[0-9]+]]:dataregs = COPY $d5
+    ; CHECK: [[MULF:%[0-9]+]]:dataregs = MULF_ddd [[COPY]], [[COPY1]], implicit-def $psw
+    ; CHECK: $d4 = COPY [[MULF]]
+    %0(s32) = COPY $d4
+    %1(s32) = COPY $d5
+    %2(s32) = G_FMUL %0, %1
+    $d4 = COPY %2(s32)
+...
+
+---
+name:            fmul_s64
+legalized:       true
+regBankSelected: true
+
+registers:
+  - { id: 0, class: dataregbank }
+  - { id: 1, class: dataregbank }
+  - { id: 2, class: dataregbank }
+
+body:             |
+  bb.0:
+    liveins: $e4, $e6
+
+    ; CHECK-LABEL: name: fmul_s64
+    ; CHECK: [[COPY:%[0-9]+]]:extdataregs = COPY $e4
+    ; CHECK: [[COPY1:%[0-9]+]]:extdataregs = COPY $e6
+    ; CHECK: [[MULDF:%[0-9]+]]:extdataregs = MULDF_eee [[COPY]], [[COPY1]], implicit-def $psw
+    ; CHECK: $e4 = COPY [[MULDF]]
+    %0(s64) = COPY $e4
+    %1(s64) = COPY $e6
+    %2(s64) = G_FMUL %0, %1
+    $e4 = COPY %2(s64)
+...