1; bswap should be constant folded when it is passed a constant argument 2 3; RUN: opt < %s -constprop -S | not grep call 4 5declare i16 @llvm.bswap.i16(i16) 6 7declare i32 @llvm.bswap.i32(i32) 8 9declare i64 @llvm.bswap.i64(i64) 10 11define i16 @W() { 12 %Z = call i16 @llvm.bswap.i16( i16 1 ) ; <i16> [#uses=1] 13 ret i16 %Z 14} 15 16define i32 @X() { 17 %Z = call i32 @llvm.bswap.i32( i32 1 ) ; <i32> [#uses=1] 18 ret i32 %Z 19} 20 21define i64 @Y() { 22 %Z = call i64 @llvm.bswap.i64( i64 1 ) ; <i64> [#uses=1] 23 ret i64 %Z 24} 25 26