llvm-6502/test/Transforms/SimplifyLibCalls/FFS.ll

29 lines
796 B
LLVM
Raw Normal View History

; Test that the ToAsciiOptimizer works correctly
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*%ffs'
declare int %ffs(int)
declare int %ffsl(int)
declare int %ffsll(long)
%non_const = external global int
implementation ; Functions:
int %main () {
%arg = load int* %non_const
%val0 = call int %ffs(int %arg)
%val1 = call int %ffs(int 1)
%val2 = call int %ffs(int 2048)
%val3 = call int %ffsl(int 65536)
%val4 = call int %ffsll(long 1024)
%val5 = call int %ffsll(long 17179869184)
%val6 = call int %ffsll(long 1152921504606846976)
%rslt1 = add int %val1, %val2
%rslt2 = add int %val3, %val4
%rslt3 = add int %val5, %val6
%rslt4 = add int %rslt1, %rslt2
%rslt5 = add int %rslt4, %rslt3
%rslt6 = add int %rslt5, %val0
ret int %rslt5
}