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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=arm-eabi -mattr=+vfp2 -global-isel=1 --verify-machineinstrs %s -o - | FileCheck %s
declare i32 @llvm.get.fpenv.i32()
declare void @llvm.set.fpenv.i32(i32)
declare void @llvm.reset.fpenv()
define i32 @func_get_fpenv() {
; CHECK-LABEL: func_get_fpenv:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vmrs r0, fpscr
; CHECK-NEXT: mov pc, lr
entry:
%fpenv = call i32 @llvm.get.fpenv.i32()
ret i32 %fpenv
}
define i32 @func_get_fpenv_soft() #0 {
; CHECK-LABEL: func_get_fpenv_soft:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r4, lr}
; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: .pad #8
; CHECK-NEXT: sub sp, sp, #8
; CHECK-NEXT: add r4, sp, #4
; CHECK-NEXT: mov r0, r4
; CHECK-NEXT: bl fegetenv
; CHECK-NEXT: ldr r0, [r4]
; CHECK-NEXT: add sp, sp, #8
; CHECK-NEXT: pop {r4, lr}
; CHECK-NEXT: mov pc, lr
entry:
%fpenv = call i32 @llvm.get.fpenv.i32()
ret i32 %fpenv
}
define void @func_set_fpenv(i32 %fpenv) {
; CHECK-LABEL: func_set_fpenv:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vmsr fpscr, r0
; CHECK-NEXT: mov pc, lr
entry:
call void @llvm.set.fpenv.i32(i32 %fpenv)
ret void
}
define void @func_set_fpenv_soft(i32 %fpenv) #0 {
; CHECK-LABEL: func_set_fpenv_soft:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r11, lr}
; CHECK-NEXT: push {r11, lr}
; CHECK-NEXT: .pad #8
; CHECK-NEXT: sub sp, sp, #8
; CHECK-NEXT: add r1, sp, #4
; CHECK-NEXT: str r0, [r1]
; CHECK-NEXT: mov r0, r1
; CHECK-NEXT: bl fesetenv
; CHECK-NEXT: add sp, sp, #8
; CHECK-NEXT: pop {r11, lr}
; CHECK-NEXT: mov pc, lr
entry:
call void @llvm.set.fpenv.i32(i32 %fpenv)
ret void
}
define void @func_reset() {
; CHECK-LABEL: func_reset:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: mov r0, #0
; CHECK-NEXT: vmsr fpscr, r0
; CHECK-NEXT: mov pc, lr
entry:
call void @llvm.reset.fpenv()
ret void
}
define void @func_reset_soft() #0 {
; CHECK-LABEL: func_reset_soft:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r11, lr}
; CHECK-NEXT: push {r11, lr}
; CHECK-NEXT: mvn r0, #0
; CHECK-NEXT: bl fesetenv
; CHECK-NEXT: pop {r11, lr}
; CHECK-NEXT: mov pc, lr
entry:
call void @llvm.reset.fpenv()
ret void
}
attributes #0 = { nounwind "use-soft-float"="true" }
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