mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-11 08:07:22 +00:00
39867e6646
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157357 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.3 KiB
LLVM
50 lines
1.3 KiB
LLVM
; RUN: llc < %s -mcpu=cortex-a8 | FileCheck %s
|
|
target triple = "thumbv7-apple-ios"
|
|
|
|
; CHECK: local_split
|
|
;
|
|
; The load must go into d0-15 which are all clobbered by the asm.
|
|
; RAGreedy should split the range and use d16-d31 to avoid a spill.
|
|
;
|
|
; CHECK: vldr s
|
|
; CHECK-NOT: vstr
|
|
; CHECK: vadd.f32
|
|
; CHECK-NOT: vstr
|
|
; CHECK: vorr
|
|
; CHECK: vstr s
|
|
define void @local_split(float* nocapture %p) nounwind ssp {
|
|
entry:
|
|
%x = load float* %p, align 4
|
|
%a = fadd float %x, 1.0
|
|
tail call void asm sideeffect "", "~{d0},~{d1},~{d2},~{d3},~{d4},~{d5},~{d6},~{d7},~{d8},~{d9},~{d10},~{d11},~{d12},~{d13},~{d14},~{d15}"() nounwind
|
|
store float %a, float* %p, align 4
|
|
ret void
|
|
}
|
|
|
|
; CHECK: global_split
|
|
;
|
|
; Same thing, but across basic blocks.
|
|
;
|
|
; CHECK: vldr s
|
|
; CHECK-NOT: vstr
|
|
; CHECK: vadd.f32
|
|
; CHECK-NOT: vstr
|
|
; CHECK: vorr
|
|
; CHECK: vstr s
|
|
define void @global_split(float* nocapture %p1, float* nocapture %p2) nounwind ssp {
|
|
entry:
|
|
%0 = load float* %p1, align 4
|
|
%add = fadd float %0, 1.000000e+00
|
|
tail call void asm sideeffect "", "~{d0},~{d1},~{d2},~{d3},~{d4},~{d5},~{d6},~{d7},~{d8},~{d9},~{d10},~{d11},~{d12},~{d13},~{d14},~{d15}"() nounwind
|
|
%cmp = fcmp ogt float %add, 0.000000e+00
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then:
|
|
store float %add, float* %p2, align 4
|
|
br label %if.end
|
|
|
|
if.end:
|
|
store float %add, float* %p1, align 4
|
|
ret void
|
|
}
|