1 ; Test that the ToAsciiOptimizer works correctly
2 ; RUN: opt %s -simplify-libcalls -S | \
3 ; RUN: not grep {call.*@ffs}
5 @non_const = external global i32 ; <i32*> [#uses=1]
11 declare i32 @ffsll(i64)
14 %arg = load i32* @non_const ; <i32> [#uses=1]
15 %val0 = call i32 @ffs( i32 %arg ) ; <i32> [#uses=1]
16 %val1 = call i32 @ffs( i32 1 ) ; <i32> [#uses=1]
17 %val2 = call i32 @ffs( i32 2048 ) ; <i32> [#uses=1]
18 %val3 = call i32 @ffsl( i32 65536 ) ; <i32> [#uses=1]
19 %val4 = call i32 @ffsll( i64 1024 ) ; <i32> [#uses=1]
20 %val5 = call i32 @ffsll( i64 17179869184 ) ; <i32> [#uses=1]
21 %val6 = call i32 @ffsll( i64 1152921504606846976 ) ; <i32> [#uses=1]
22 %rslt1 = add i32 %val1, %val2 ; <i32> [#uses=1]
23 %rslt2 = add i32 %val3, %val4 ; <i32> [#uses=1]
24 %rslt3 = add i32 %val5, %val6 ; <i32> [#uses=1]
25 %rslt4 = add i32 %rslt1, %rslt2 ; <i32> [#uses=1]
26 %rslt5 = add i32 %rslt4, %rslt3 ; <i32> [#uses=2]
27 %rslt6 = add i32 %rslt5, %val0 ; <i32> [#uses=0]
33 define i32 @a(i64) nounwind {
34 %2 = call i32 @ffsll(i64 %0) ; <i32> [#uses=1]