[H2BLB][ISel] Add extractelement test

NFC

Author: qcolombet

llvm/test/CodeGen/H2BLB/GISel/select-extract-vector-elt.ll

@@ -0,0 +1,20 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple h2blb -o - %s -global-isel=1 -global-isel-abort=1 -verify-machineinstrs | FileCheck %s
+
+define i16 @extractVecEltLow(<2 x i16> %a) {
+; CHECK-LABEL: extractVecEltLow:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    mov16 r1, r2
+; CHECK-NEXT:    ret
+  %res = extractelement <2 x i16> %a, i16 0
+  ret i16 %res
+}
+
+define i16 @extractVecEltHigh(<2 x i16> %a) {
+; CHECK-LABEL: extractVecEltHigh:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    mov16 r1, r3
+; CHECK-NEXT:    ret
+  %res = extractelement <2 x i16> %a, i16 1
+  ret i16 %res
+}

llvm/test/CodeGen/H2BLB/SDISel/select-extract-vector-elt.ll

@@ -0,0 +1,20 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple h2blb -o - %s -fast-isel=0 -verify-machineinstrs | FileCheck %s
+
+define i16 @extractVecEltLow(<2 x i16> %a) {
+; CHECK-LABEL: extractVecEltLow:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    mov16 r1, r2
+; CHECK-NEXT:    ret
+  %res = extractelement <2 x i16> %a, i16 0
+  ret i16 %res
+}
+
+define i16 @extractVecEltHigh(<2 x i16> %a) {
+; CHECK-LABEL: extractVecEltHigh:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    mov16 r1, r3
+; CHECK-NEXT:    ret
+  %res = extractelement <2 x i16> %a, i16 1
+  ret i16 %res
+}