1 ; RUN: llc -float-abi soft -mattr=+fp16 < %s | FileCheck %s --check-prefix=CHECK --check-prefix=SOFT 2 ; RUN: llc -float-abi hard -mattr=+fp16 < %s | FileCheck %s --check-prefix=CHECK --check-prefix=HARD 3 4 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 5 target triple = "armv7a--none-eabi" 6 7 define float @foo(float %a.coerce, float %b.coerce) { 8 entry: 9 %0 = bitcast float %a.coerce to i32 10 %tmp.0.extract.trunc = trunc i32 %0 to i16 11 %1 = bitcast i16 %tmp.0.extract.trunc to half 12 %2 = bitcast float %b.coerce to i32 13 %tmp1.0.extract.trunc = trunc i32 %2 to i16 14 %3 = bitcast i16 %tmp1.0.extract.trunc to half 15 %4 = fadd half %1, %3 16 %5 = bitcast half %4 to i16 17 %tmp5.0.insert.ext = zext i16 %5 to i32 18 %6 = bitcast i32 %tmp5.0.insert.ext to float 19 ret float %6 20 ; CHECK: foo: 21 22 ; SOFT: vmov {{s[0-9]+}}, r1 23 ; SOFT: vmov {{s[0-9]+}}, r0 24 ; SOFT: vcvtb.f32.f16 {{s[0-9]+}}, {{s[0-9]+}} 25 ; SOFT: vcvtb.f32.f16 {{s[0-9]+}}, {{s[0-9]+}} 26 ; SOFT: vadd.f32 {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} 27 ; SOFT: vcvtb.f16.f32 {{s[0-9]+}}, {{s[0-9]+}} 28 ; SOFT: vmov r0, {{s[0-9]+}} 29 30 ; HARD-NOT: vmov 31 ; HARD-NOT: uxth 32 ; HARD: vcvtb.f32.f16 {{s[0-9]+}}, s1 33 ; HARD: vcvtb.f32.f16 {{s[0-9]+}}, s0 34 ; HARD: vadd.f32 {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}} 35 ; HARD: vcvtb.f16.f32 [[SREG:s[0-9]+]], {{s[0-9]+}} 36 ; HARD-NEXT: vmov [[REG0:r[0-9]+]], [[SREG]] 37 ; HARD-NEXT: uxth [[REG1:r[0-9]+]], [[REG0]] 38 ; HARD-NEXT: vmov s0, [[REG1]] 39 40 ; CHECK: bx lr 41 } 42