Initial skeleton of Subzero.

tests_lit/llvm2ice_tests/bitcast.ll

Index: tests_lit/llvm2ice_tests/bitcast.ll
diff --git a/tests_lit/llvm2ice_tests/bitcast.ll b/tests_lit/llvm2ice_tests/bitcast.ll
new file mode 100644
index 0000000000000000000000000000000000000000..1a6623f4f1bc434fb9c0ae5922adde4a7d83a7fd
--- /dev/null
+++ b/tests_lit/llvm2ice_tests/bitcast.ll
@@ -0,0 +1,30 @@
+; RUIN: %llvm2ice -verbose inst %s | FileCheck %s
+; RUIN: %llvm2ice --verbose none %s | FileCheck --check-prefix=ERRORS %s
+; RUN: %szdiff --llvm2ice=%llvm2ice %s | FileCheck --check-prefix=DUMP %s
+
+define internal i32 @cast_f2i(float %f) {
+entry:
+  %v0 = bitcast float %f to i32
+  ret i32 %v0
+}
+
+define internal float @cast_i2f(i32 %i) {
+entry:
+  %v0 = bitcast i32 %i to float
+  ret float %v0
+}
+
+define internal i64 @cast_d2ll(double %d) {
+entry:
+  %v0 = bitcast double %d to i64
+  ret i64 %v0
+}
+
+define internal double @cast_ll2d(i64 %ll) {
+entry:
+  %v0 = bitcast i64 %ll to double
+  ret double %v0
+}
+
+; ERRORS-NOT: ICE translation error
+; DUMP-NOT: SZ