llvm-mirror/test/CodeGen/X86/pr3216.ll
Dan Gohman ff4c4ab39f 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.

llvm-svn: 62557
2009-01-20 01:06:45 +00:00

15 lines
362 B
LLVM

; 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
}