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path: root/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc
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Diffstat (limited to 'backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc')
-rw-r--r--backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc10
1 files changed, 10 insertions, 0 deletions
diff --git a/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc b/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc
index 1667f66..f40e5d4 100644
--- a/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc
+++ b/backend/lib/Target/RISCV/RISCVGISelInteger.rccdesc
@@ -1,5 +1,15 @@
selection_rules:
-
+ id: select_g_implicit_def
+ priority: 100
+ match:
+ opcode: G_IMPLICIT_DEF
+ apply:
+ instructions:
+ - opcode: IMPLICIT_DEF
+ root: true
+ operands: [{ operand: 0 }]
+ -
id: select_g_sext_s64_s32
priority: 500
match: