forked from OSchip/llvm-project
24 lines
798 B
LLVM
24 lines
798 B
LLVM
|
; RUN: llc -o - %s | FileCheck %s
|
||
|
|
; Check that selection dag legalization of fcopysign works in cases with
|
||
|
|
; different modes for the arguments.
|
||
|
|
target triple = "aarch64--"
|
||
|
|
|
||
|
|
declare fp128 @llvm.copysign.f128(fp128, fp128)
|
||
|
|
|
||
|
|
@val = global double zeroinitializer, align 8
|
||
|
|
|
||
|
|
; CHECK-LABEL: copysign0
|
||
|
|
; CHECK: ldr [[REG:x[0-9]+]], [x8, :lo12:val]
|
||
|
|
; CHECK: and [[ANDREG:x[0-9]+]], [[REG]], #0x8000000000000000
|
||
|
|
; CHECK: lsr x[[LSRREGNUM:[0-9]+]], [[ANDREG]], #56
|
||
|
|
; CHECK: bfxil w[[LSRREGNUM]], w{{[0-9]+}}, #0, #7
|
||
|
|
; CHECK: strb w[[LSRREGNUM]],
|
||
|
|
; CHECK: ldr q{{[0-9]+}},
|
||
|
|
define fp128 @copysign0() {
|
||
|
|
entry:
|
||
|
|
%v = load double, double* @val, align 8
|
||
|
|
%conv = fpext double %v to fp128
|
||
|
|
%call = tail call fp128 @llvm.copysign.f128(fp128 0xL00000000000000007FFF000000000000, fp128 %conv) #2
|
||
|
|
ret fp128 %call
|
||
|
|
}
|