llvm-project/llvm/test/Transforms/InstCombine/cast-sext-zext.ll

13 lines
325 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep sext
; XFAIL: *
define zeroext i16 @t(i8 zeroext %on_off, i16* nocapture %puls) nounwind readonly {
entry:
%0 = zext i8 %on_off to i32
%1 = add i32 %0, -1
%2 = sext i32 %1 to i64
%3 = getelementptr i16* %puls, i64 %2
%4 = load i16* %3, align 2
ret i16 %4
}