1 ; RUN: llc < %s -march=x86-64 | grep mov | count 1 2 3 ; Do eliminate the zero-extension instruction and rely on 4 ; x86-64's implicit zero-extension! 5 6 define i64 @foo(i32* %p) nounwind { 7 %t = load i32, i32* %p 8 %n = add i32 %t, 1 9 %z = zext i32 %n to i64 10 ret i64 %z 11 } 12
