2011-03-08 02:42:25 +00:00
|
|
|
; Without list-burr scheduling we may not see the difference in codegen here.
|
|
|
|
|
; RUN: llc < %s -march=x86-64 -post-RA-scheduler -pre-RA-sched=list-burr -break-anti-dependencies=none > %t
|
2009-10-01 21:46:35 +00:00
|
|
|
; RUN: grep {%xmm0} %t | count 14
|
|
|
|
|
; RUN: not grep {%xmm1} %t
|
2009-10-26 16:59:04 +00:00
|
|
|
; RUN: llc < %s -march=x86-64 -post-RA-scheduler -break-anti-dependencies=critical > %t
|
2009-10-01 21:46:35 +00:00
|
|
|
; RUN: grep {%xmm0} %t | count 7
|
|
|
|
|
; RUN: grep {%xmm1} %t | count 7
|
|
|
|
|
|
|
|
|
|
define void @goo(double* %r, double* %p, double* %q) nounwind {
|
|
|
|
|
entry:
|
|
|
|
|
%0 = load double* %p, align 8
|
|
|
|
|
%1 = fadd double %0, 1.100000e+00
|
|
|
|
|
%2 = fmul double %1, 1.200000e+00
|
|
|
|
|
%3 = fadd double %2, 1.300000e+00
|
|
|
|
|
%4 = fmul double %3, 1.400000e+00
|
|
|
|
|
%5 = fadd double %4, 1.500000e+00
|
|
|
|
|
%6 = fptosi double %5 to i32
|
|
|
|
|
%7 = load double* %r, align 8
|
|
|
|
|
%8 = fadd double %7, 7.100000e+00
|
|
|
|
|
%9 = fmul double %8, 7.200000e+00
|
|
|
|
|
%10 = fadd double %9, 7.300000e+00
|
|
|
|
|
%11 = fmul double %10, 7.400000e+00
|
|
|
|
|
%12 = fadd double %11, 7.500000e+00
|
|
|
|
|
%13 = fptosi double %12 to i32
|
|
|
|
|
%14 = icmp slt i32 %6, %13
|
|
|
|
|
br i1 %14, label %bb, label %return
|
|
|
|
|
|
|
|
|
|
bb:
|
|
|
|
|
store double 9.300000e+00, double* %q, align 8
|
|
|
|
|
ret void
|
|
|
|
|
|
|
|
|
|
return:
|
|
|
|
|
ret void
|
|
|
|
|
}
|
