llvm-project/llvm/test/CodeGen/Alpha/ctlz.ll

16 lines
552 B
LLVM

; Make sure this testcase codegens to the ctlz instruction
; RUN: llvm-as < %s | llc -march=alpha -mcpu=ev67 | grep -i ctlz
; RUN: llvm-as < %s | llc -march=alpha -mattr=+CIX | grep -i ctlz
; RUN: llvm-as < %s | llc -march=alpha -mcpu=ev6 | not grep -i ctlz
; RUN: llvm-as < %s | llc -march=alpha -mcpu=ev56 | not grep -i ctlz
; RUN: llvm-as < %s | llc -march=alpha -mattr=-CIX | not grep -i ctlz
declare i8 @llvm.ctlz.i8(i8)
define i32 @bar(i8 %x) {
entry:
%tmp.1 = call i8 @llvm.ctlz.i8( i8 %x )
%tmp.2 = sext i8 %tmp.1 to i32
ret i32 %tmp.2
}