; bswap should be constant folded when it is passed a constant argument ; RUN: opt < %s -constprop -S | FileCheck %s declare i16 @llvm.bswap.i16(i16) declare i32 @llvm.bswap.i32(i32) declare i64 @llvm.bswap.i64(i64) declare i80 @llvm.bswap.i80(i80) ; CHECK-LABEL: define i16 @W( define i16 @W() { ; CHECK: ret i16 256 %Z = call i16 @llvm.bswap.i16( i16 1 ) ; <i16> [#uses=1] ret i16 %Z } ; CHECK-LABEL: define i32 @X( define i32 @X() { ; CHECK: ret i32 16777216 %Z = call i32 @llvm.bswap.i32( i32 1 ) ; <i32> [#uses=1] ret i32 %Z } ; CHECK-LABEL: define i64 @Y( define i64 @Y() { ; CHECK: ret i64 72057594037927936 %Z = call i64 @llvm.bswap.i64( i64 1 ) ; <i64> [#uses=1] ret i64 %Z } ; CHECK-LABEL: define i80 @Z( define i80 @Z() { ; CHECK: ret i80 -450681596205739728166896 ; 0xA0908070605040302010 %Z = call i80 @llvm.bswap.i80( i80 76151636403560493650080 ) ; 0x102030405060708090A0 ret i80 %Z }