Oliver Stannard | 284f2bf | 2015-08-24 09:47:45 +0000 | [diff] [blame] | 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]+}} |
Pirama Arumuga Nainar | bf5ccdc | 2016-01-08 17:46:05 +0000 | [diff] [blame] | 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]] |
Oliver Stannard | 284f2bf | 2015-08-24 09:47:45 +0000 | [diff] [blame] | 39 | |
| 40 | ; CHECK: bx lr |
| 41 | } |