29 lines
757 B
LLVM
29 lines
757 B
LLVM
|
; RUN: opt < %s -newgvn -S | FileCheck %s
|
||
|
|
|
||
|
|
; CHECK-LABEL: func_fast
|
||
|
|
; CHECK: fadd fast double
|
||
|
|
; CHECK-NEXT: store
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
define double @func_fast(double %a, double %b) {
|
||
|
|
entry:
|
||
|
|
%a.addr = alloca double, align 8
|
||
|
|
%add = fadd fast double %b, 3.000000e+00
|
||
|
|
store double %add, double* %a.addr, align 8
|
||
|
|
%load_add = load double, double* %a.addr, align 8
|
||
|
|
ret double %load_add
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: func_no_fast
|
||
|
|
; CHECK: fadd double
|
||
|
|
; CHECK-NEXT: store
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
define double @func_no_fast(double %a, double %b) {
|
||
|
|
entry:
|
||
|
|
%a.addr = alloca double, align 8
|
||
|
|
%add = fadd fast double %b, 3.000000e+00
|
||
|
|
store double %add, double* %a.addr, align 8
|
||
|
|
%duplicated_add = fadd double %b, 3.000000e+00
|
||
|
|
ret double %duplicated_add
|
||
|
|
}
|
||
|
|
|