1 ; RUN: llc < %s -mtriple=thumbv7-none-eabi -mcpu=cortex-m4 -mattr=-vfp2 | FileCheck %s -check-prefix=CHECK -check-prefix=SOFT 2 ; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-m4 -mattr=+vfp4,+fp-only-sp | FileCheck %s -check-prefix=CHECK -check-prefix=HARD -check-prefix=SP 3 ; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-a8 -mattr=+vfp3 | FileCheck %s -check-prefix=CHECK -check-prefix=HARD -check-prefix=DP 4 5 define float @float_in_reg(float %a, float %b) { 6 entry: 7 ; CHECK-LABEL: float_in_reg: 8 ; SOFT: mov r0, r1 9 ; HARD: vmov.f32 s0, s1 10 ; CHECK-NEXT: bx lr 11 ret float %b 12 } 13 14 define double @double_in_reg(double %a, double %b) { 15 entry: 16 ; CHECK-LABEL: double_in_reg: 17 ; SOFT: mov r0, r2 18 ; SOFT: mov r1, r3 19 ; SP: vmov.f32 s0, s2 20 ; SP: vmov.f32 s1, s3 21 ; DP: vmov.f64 d0, d1 22 ; CHECK-NEXT: bx lr 23 ret double %b 24 } 25 26 define float @float_on_stack(double %a, double %b, double %c, double %d, double %e, double %f, double %g, double %h, float %i) { 27 ; CHECK-LABEL: float_on_stack: 28 ; SOFT: ldr r0, [sp, #48] 29 ; HARD: vldr s0, [sp] 30 ; CHECK-NEXT: bx lr 31 ret float %i 32 } 33 34 define double @double_on_stack(double %a, double %b, double %c, double %d, double %e, double %f, double %g, double %h, double %i) { 35 ; CHECK-LABEL: double_on_stack: 36 ; SOFT: ldr r0, [sp, #48] 37 ; SOFT: ldr r1, [sp, #52] 38 ; HARD: vldr d0, [sp] 39 ; CHECK-NEXT: bx lr 40 ret double %i 41 } 42 43 define double @double_not_split(double %a, double %b, double %c, double %d, double %e, double %f, double %g, float %h, double %i) { 44 ; CHECK-LABEL: double_not_split: 45 ; SOFT: ldr r0, [sp, #48] 46 ; SOFT: ldr r1, [sp, #52] 47 ; HARD: vldr d0, [sp] 48 ; CHECK-NEXT: bx lr 49 ret double %i 50 } 51
