1 ; RUN: llc -mtriple=armv7-none-eabi -mattr=-neon,-vfpv2 %s -o - | FileCheck %s -check-prefix=novfp 2 ; RUN: llc -mtriple=armv7-none-eabi -mattr=+neon %s -float-abi=hard -o - | FileCheck %s -check-prefix=vfp 3 4 ; vfp-LABEL: f1 5 ; vfp-CHECK: vadd.f32 s0, s0, s0 6 7 ; In the novfp case, the compiler is forced to assign a core register. 8 ; Although this register class can't be used with the vadd.f32 instruction, 9 ; the compiler behaved as expected since it is allowed to emit anything. 10 11 ; novfp-LABEL: f1 12 ; novfp-CHECK: vadd.f32 r0, r0, r0 13 14 ; This can be generated by a function such as: 15 ; void f1(float f) {asm volatile ("add.f32 $0, $0, $0" : : "X" (f));} 16 17 define arm_aapcs_vfpcc void @f1(float %f) { 18 entry: 19 call void asm sideeffect "vadd.f32 $0, $0, $0", "X" (float %f) nounwind 20 ret void 21 } 22
