22 lines
789 B
LLVM
22 lines
789 B
LLVM
; RUN: llc -mtriple=armv7-none-eabi -mattr=-neon,-vfpv2 %s -o - | FileCheck %s -check-prefix=novfp
|
|
; RUN: llc -mtriple=armv7-none-eabi -mattr=+neon %s -float-abi=hard -o - | FileCheck %s -check-prefix=vfp
|
|
|
|
; vfp-LABEL: f1
|
|
; vfp-CHECK: vadd.f32 s0, s0, s0
|
|
|
|
; In the novfp case, the compiler is forced to assign a core register.
|
|
; Although this register class can't be used with the vadd.f32 instruction,
|
|
; the compiler behaved as expected since it is allowed to emit anything.
|
|
|
|
; novfp-LABEL: f1
|
|
; novfp-CHECK: vadd.f32 r0, r0, r0
|
|
|
|
; This can be generated by a function such as:
|
|
; void f1(float f) {asm volatile ("add.f32 $0, $0, $0" : : "X" (f));}
|
|
|
|
define arm_aapcs_vfpcc void @f1(float %f) {
|
|
entry:
|
|
call void asm sideeffect "vadd.f32 $0, $0, $0", "X" (float %f) nounwind
|
|
ret void
|
|
}
|