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Find loop back edges only after empty blocks are eliminated.
[oota-llvm.git]
/
test
/
CodeGen
/
X86
/
sext-trunc.ll
1
; RUN: llvm-as < %s | llc -march=x86 > %t
2
; RUN: grep movsbl %t
3
; RUN: not grep movz %t
4
; RUN: not grep and %t
5
6
define i8 @foo(i16 signext %x) signext nounwind {
7
%retval56 = trunc i16 %x to i8
8
ret i8 %retval56
9
}