Fix a dagcombine to not generate loads of non-round integer types,
as its comment says, even in the case where it will be generating
extending loads. This fixes PR3216.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62557 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/pr3216.ll b/test/CodeGen/X86/pr3216.ll
new file mode 100644
index 0000000..fdc814e
--- /dev/null
+++ b/test/CodeGen/X86/pr3216.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep {sar. \$5}
+
+@foo = global i8 127
+
+define i32 @main() nounwind {
+entry:
+ %tmp = load i8* @foo
+ %bf.lo = lshr i8 %tmp, 5
+ %bf.lo.cleared = and i8 %bf.lo, 7
+ %0 = shl i8 %bf.lo.cleared, 5
+ %bf.val.sext = ashr i8 %0, 5
+ %conv = sext i8 %bf.val.sext to i32
+ ret i32 %conv
+}