llvm-6502/test/CodeGen/MBlaze/fpu.ll

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; Ensure that floating point operations are lowered to function calls when the
; FPU is not available in the hardware and that function calls are not used
; when the FPU is available in the hardware.
;
; RUN: llc < %s -march=mblaze | FileCheck -check-prefix=FUN %s
; RUN: llc < %s -march=mblaze -mattr=+fpu | FileCheck -check-prefix=FPU %s
define float @test_add(float %a, float %b) {
; FUN-LABEL: test_add:
; FPU-LABEL: test_add:
%tmp.1 = fadd float %a, %b
; FUN: brlid
; FPU-NOT: brlid
ret float %tmp.1
; FUN: rtsd
; FPU: rtsd
; FUN-NOT: fadd
; FPU-NEXT: fadd
}
define float @test_sub(float %a, float %b) {
; FUN-LABEL: test_sub:
; FPU-LABEL: test_sub:
%tmp.1 = fsub float %a, %b
; FUN: brlid
; FPU-NOT: brlid
ret float %tmp.1
; FUN: rtsd
; FPU: rtsd
; FUN-NOT: frsub
; FPU-NEXT: frsub
}
define float @test_mul(float %a, float %b) {
; FUN-LABEL: test_mul:
; FPU-LABEL: test_mul:
%tmp.1 = fmul float %a, %b
; FUN: brlid
; FPU-NOT: brlid
ret float %tmp.1
; FUN: rtsd
; FPU: rtsd
; FUN-NOT: fmul
; FPU-NEXT: fmul
}
define float @test_div(float %a, float %b) {
; FUN-LABEL: test_div:
; FPU-LABEL: test_div:
%tmp.1 = fdiv float %a, %b
; FUN: brlid
; FPU-NOT: brlid
ret float %tmp.1
; FUN: rtsd
; FPU: rtsd
; FUN-NOT: fdiv
; FPU-NEXT: fdiv
}