1 ; Test that the ToAsciiOptimizer works correctly 2 ; RUN: opt < %s -simplify-libcalls -S | \ 3 ; RUN: not grep {call.*@ffs} 4 5 @non_const = external global i32 ; <i32*> [#uses=1] 6 7 declare i32 @ffs(i32) 8 9 declare i32 @ffsl(i32) 10 11 declare i32 @ffsll(i64) 12 13 define i32 @main() { 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] 28 ret i32 %rslt5 29 } 30 31 32 ; PR4206 33 define i32 @a(i64) nounwind { 34 %2 = call i32 @ffsll(i64 %0) ; <i32> [#uses=1] 35 ret i32 %2 36 } 37
