[RISCV][GISel] Add missing tests for G_CTLZ/CTTZ instruction selection. NFC

Author: topperc

llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/ctlz-rv32.mir

@@ -0,0 +1,22 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv32 -mattr=+zbb -run-pass=instruction-select \
+# RUN:   -simplify-mir -verify-machineinstrs %s -o - \
+# RUN:   | FileCheck -check-prefix=RV32I %s
+
+---
+name:            ctlz_s32
+legalized:       true
+regBankSelected: true
+body:             |
+  bb.0.entry:
+    ; RV32I-LABEL: name: ctlz_s32
+    ; RV32I: [[COPY:%[0-9]+]]:gpr = COPY $x10
+    ; RV32I-NEXT: [[CLZ:%[0-9]+]]:gpr = CLZ [[COPY]]
+    ; RV32I-NEXT: $x10 = COPY [[CLZ]]
+    ; RV32I-NEXT: PseudoRET implicit $x10
+    %0:gprb(s32) = COPY $x10
+    %1:gprb(s32) = G_CTLZ %0
+    $x10 = COPY %1(s32)
+    PseudoRET implicit $x10
+
+...

llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/ctlz-rv64.mir

@@ -0,0 +1,40 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv64 -mattr=+zbb -run-pass=instruction-select \
+# RUN:   -simplify-mir -verify-machineinstrs %s -o - \
+# RUN:   | FileCheck -check-prefix=RV64I %s
+
+---
+name:            ctlz_s32
+legalized:       true
+regBankSelected: true
+body:             |
+  bb.0.entry:
+    ; RV64I-LABEL: name: ctlz_s32
+    ; RV64I: [[COPY:%[0-9]+]]:gpr = COPY $x10
+    ; RV64I-NEXT: [[CLZW:%[0-9]+]]:gpr = CLZW [[COPY]]
+    ; RV64I-NEXT: $x10 = COPY [[CLZW]]
+    ; RV64I-NEXT: PseudoRET implicit $x10
+    %0:gprb(s64) = COPY $x10
+    %1:gprb(s32) = G_TRUNC %0
+    %2:gprb(s32) = G_CTLZ %1
+    %3:gprb(s64) = G_ANYEXT %2
+    $x10 = COPY %3(s64)
+    PseudoRET implicit $x10
+
+...
+---
+name:            ctlz_s64
+legalized:       true
+regBankSelected: true
+body:             |
+  bb.0.entry:
+    ; RV64I-LABEL: name: ctlz_s64
+    ; RV64I: [[CLZ:%[0-9]+]]:gpr = CLZ [[CLZ]]
+    ; RV64I-NEXT: $x10 = COPY [[CLZ]]
+    ; RV64I-NEXT: PseudoRET implicit $x10
+    %0:gprb(s64) = COPY $x10
+    %1:gprb(s64) = G_CTLZ %1
+    $x10 = COPY %1(s64)
+    PseudoRET implicit $x10
+
+...

llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/cttz-rv32.mir

@@ -0,0 +1,22 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv32 -mattr=+zbb -run-pass=instruction-select \
+# RUN:   -simplify-mir -verify-machineinstrs %s -o - \
+# RUN:   | FileCheck -check-prefix=RV32I %s
+
+---
+name:            cttz_s32
+legalized:       true
+regBankSelected: true
+body:             |
+  bb.0.entry:
+    ; RV32I-LABEL: name: cttz_s32
+    ; RV32I: [[COPY:%[0-9]+]]:gpr = COPY $x10
+    ; RV32I-NEXT: [[CTZ:%[0-9]+]]:gpr = CTZ [[COPY]]
+    ; RV32I-NEXT: $x10 = COPY [[CTZ]]
+    ; RV32I-NEXT: PseudoRET implicit $x10
+    %0:gprb(s32) = COPY $x10
+    %1:gprb(s32) = G_CTTZ %0
+    $x10 = COPY %1(s32)
+    PseudoRET implicit $x10
+
+...

llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/cttz-rv64.mir

@@ -0,0 +1,40 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv64 -mattr=+zbb -run-pass=instruction-select \
+# RUN:   -simplify-mir -verify-machineinstrs %s -o - \
+# RUN:   | FileCheck -check-prefix=RV64I %s
+
+---
+name:            cttz_s32
+legalized:       true
+regBankSelected: true
+body:             |
+  bb.0.entry:
+    ; RV64I-LABEL: name: cttz_s32
+    ; RV64I: [[COPY:%[0-9]+]]:gpr = COPY $x10
+    ; RV64I-NEXT: [[CTZW:%[0-9]+]]:gpr = CTZW [[COPY]]
+    ; RV64I-NEXT: $x10 = COPY [[CTZW]]
+    ; RV64I-NEXT: PseudoRET implicit $x10
+    %0:gprb(s64) = COPY $x10
+    %1:gprb(s32) = G_TRUNC %0
+    %2:gprb(s32) = G_CTTZ %1
+    %3:gprb(s64) = G_ANYEXT %2
+    $x10 = COPY %3(s64)
+    PseudoRET implicit $x10
+
+...
+---
+name:            cttz_s64
+legalized:       true
+regBankSelected: true
+body:             |
+  bb.0.entry:
+    ; RV64I-LABEL: name: cttz_s64
+    ; RV64I: [[CTZ:%[0-9]+]]:gpr = CTZ [[CTZ]]
+    ; RV64I-NEXT: $x10 = COPY [[CTZ]]
+    ; RV64I-NEXT: PseudoRET implicit $x10
+    %0:gprb(s64) = COPY $x10
+    %1:gprb(s64) = G_CTTZ %1
+    $x10 = COPY %1(s64)
+    PseudoRET implicit $x10
+
+...