llvm-mirror/test/CodeGen/X86/zero-remat.ll
Dan Gohman 3bc1bc2590 Avoid storing and reloading zeros and other constants from stack slots
by flagging the associated instructions as being trivially rematerializable.

llvm-svn: 41775
2007-09-07 21:32:51 +00:00

15 lines
358 B
LLVM

; RUN: llvm-as < %s | llc -march=x86-64 | grep xor | count 4
; RUN: llvm-as < %s | llc -march=x86-64 -stats -info-output-file - | grep asm-printer | grep 12
declare void @bar(double %x)
declare void @barf(float %x)
define double @foo() {
call void @bar(double 0.0)
ret double 0.0
}
define float @foof() {
call void @barf(float 0.0)
ret float 0.0
}