Fix fast-isel to not emit invalid assembly when presented with a
constant shift count that doesn't fit in the shift instruction's
immediate field. This fixes PR3242.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61281 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/fast-isel-shift-imm.ll b/test/CodeGen/X86/fast-isel-shift-imm.ll
new file mode 100644
index 0000000..c47b990
--- /dev/null
+++ b/test/CodeGen/X86/fast-isel-shift-imm.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | llc -march=x86 -fast | grep {sarl \$80, %eax}
+; PR3242
+
+define i32 @foo(i32 %x) nounwind {
+ %y = ashr i32 %x, 50000
+ ret i32 %y
+}