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; Test that the ToAsciiOptimizer works correctly
; RUN: opt < %s -simplify-libcalls -S | \
; RUN: not grep {call.*@ffs}
@non_const = external global i32 ; <i32*> [#uses=1]
declare i32 @ffs(i32)
declare i32 @ffsl(i32)
declare i32 @ffsll(i64)
define i32 @main() {
%arg = load i32* @non_const ; <i32> [#uses=1]
%val0 = call i32 @ffs( i32 %arg ) ; <i32> [#uses=1]
%val1 = call i32 @ffs( i32 1 ) ; <i32> [#uses=1]
%val2 = call i32 @ffs( i32 2048 ) ; <i32> [#uses=1]
%val3 = call i32 @ffsl( i32 65536 ) ; <i32> [#uses=1]
%val4 = call i32 @ffsll( i64 1024 ) ; <i32> [#uses=1]
%val5 = call i32 @ffsll( i64 17179869184 ) ; <i32> [#uses=1]
%val6 = call i32 @ffsll( i64 1152921504606846976 ) ; <i32> [#uses=1]
%rslt1 = add i32 %val1, %val2 ; <i32> [#uses=1]
%rslt2 = add i32 %val3, %val4 ; <i32> [#uses=1]
%rslt3 = add i32 %val5, %val6 ; <i32> [#uses=1]
%rslt4 = add i32 %rslt1, %rslt2 ; <i32> [#uses=1]
%rslt5 = add i32 %rslt4, %rslt3 ; <i32> [#uses=2]
%rslt6 = add i32 %rslt5, %val0 ; <i32> [#uses=0]
ret i32 %rslt5
}
; PR4206
define i32 @a(i64) nounwind {
%2 = call i32 @ffsll(i64 %0) ; <i32> [#uses=1]
ret i32 %2
}
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