262 lines
6.5 KiB
LLVM
262 lines
6.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch32 --mattr=+f --verify-machineinstrs < %s | FileCheck %s
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; RUN: llc --mtriple=loongarch64 --mattr=+f --verify-machineinstrs < %s | FileCheck %s
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declare void @llvm.loongarch.dbar(i32)
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declare void @llvm.loongarch.ibar(i32)
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declare void @llvm.loongarch.break(i32)
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declare void @llvm.loongarch.movgr2fcsr(i32, i32)
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declare i32 @llvm.loongarch.movfcsr2gr(i32)
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declare void @llvm.loongarch.syscall(i32)
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declare i32 @llvm.loongarch.csrrd.w(i32 immarg)
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declare i32 @llvm.loongarch.csrwr.w(i32, i32 immarg)
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declare i32 @llvm.loongarch.csrxchg.w(i32, i32, i32 immarg)
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declare i32 @llvm.loongarch.iocsrrd.b(i32)
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declare i32 @llvm.loongarch.iocsrrd.h(i32)
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declare i32 @llvm.loongarch.iocsrrd.w(i32)
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declare void @llvm.loongarch.iocsrwr.b(i32, i32)
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declare void @llvm.loongarch.iocsrwr.h(i32, i32)
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declare void @llvm.loongarch.iocsrwr.w(i32, i32)
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declare i32 @llvm.loongarch.cpucfg(i32)
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define void @foo() nounwind {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: dbar 0
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; CHECK-NEXT: ret
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entry:
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call void @llvm.loongarch.dbar(i32 0)
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ret void
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}
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define void @ibar() nounwind {
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; CHECK-LABEL: ibar:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: ibar 0
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; CHECK-NEXT: ret
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entry:
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call void @llvm.loongarch.ibar(i32 0)
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ret void
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}
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define void @break() nounwind {
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; CHECK-LABEL: break:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: break 1
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; CHECK-NEXT: ret
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entry:
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call void @llvm.loongarch.break(i32 1)
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ret void
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}
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define void @movgr2fcsr(i32 %a) nounwind {
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; CHECK-LABEL: movgr2fcsr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movgr2fcsr $fcsr1, $a0
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; CHECK-NEXT: ret
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entry:
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call void @llvm.loongarch.movgr2fcsr(i32 1, i32 %a)
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ret void
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}
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define i32 @movfcsr2gr() nounwind {
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; CHECK-LABEL: movfcsr2gr:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movfcsr2gr $a0, $fcsr1
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; CHECK-NEXT: ret
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entry:
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%res = call i32 @llvm.loongarch.movfcsr2gr(i32 1)
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ret i32 %res
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}
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;; TODO: Optimize out `movfcsr2gr` without data-dependency.
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define void @movfcsr2gr_noret() nounwind {
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; CHECK-LABEL: movfcsr2gr_noret:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movfcsr2gr $a0, $fcsr1
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; CHECK-NEXT: ret
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entry:
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%res = call i32 @llvm.loongarch.movfcsr2gr(i32 1)
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ret void
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}
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define void @syscall() nounwind {
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; CHECK-LABEL: syscall:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: syscall 1
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; CHECK-NEXT: ret
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entry:
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call void @llvm.loongarch.syscall(i32 1)
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ret void
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}
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define i32 @csrrd_w() {
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; CHECK-LABEL: csrrd_w:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: csrrd $a0, 1
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.csrrd.w(i32 1)
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ret i32 %0
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}
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define void @csrrd_w_noret() {
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; CHECK-LABEL: csrrd_w_noret:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: csrrd $a0, 1
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.csrrd.w(i32 1)
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ret void
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}
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define i32 @csrwr_w(i32 signext %a) {
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; CHECK-LABEL: csrwr_w:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: csrwr $a0, 1
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.csrwr.w(i32 %a, i32 1)
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ret i32 %0
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}
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;; Check that csrwr is emitted even if the return value of the intrinsic is not used.
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define void @csrwr_w_noret(i32 signext %a) {
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; CHECK-LABEL: csrwr_w_noret:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: csrwr $a0, 1
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.csrwr.w(i32 %a, i32 1)
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ret void
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}
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define i32 @csrxchg_w(i32 signext %a, i32 signext %b) {
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; CHECK-LABEL: csrxchg_w:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: csrxchg $a0, $a1, 1
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.csrxchg.w(i32 %a, i32 %b, i32 1)
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ret i32 %0
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}
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;; Check that csrxchg is emitted even if the return value of the intrinsic is not used.
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define void @csrxchg_w_noret(i32 signext %a, i32 signext %b) {
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; CHECK-LABEL: csrxchg_w_noret:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: csrxchg $a0, $a1, 1
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.csrxchg.w(i32 %a, i32 %b, i32 1)
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ret void
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}
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define i32 @iocsrrd_b(i32 %a) {
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; CHECK-LABEL: iocsrrd_b:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrrd.b $a0, $a0
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.iocsrrd.b(i32 %a)
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ret i32 %0
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}
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define i32 @iocsrrd_h(i32 %a) {
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; CHECK-LABEL: iocsrrd_h:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrrd.h $a0, $a0
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.iocsrrd.h(i32 %a)
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ret i32 %0
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}
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define i32 @iocsrrd_w(i32 %a) {
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; CHECK-LABEL: iocsrrd_w:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrrd.w $a0, $a0
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.iocsrrd.w(i32 %a)
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ret i32 %0
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}
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define void @iocsrrd_b_noret(i32 %a) {
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; CHECK-LABEL: iocsrrd_b_noret:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrrd.b $a0, $a0
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.iocsrrd.b(i32 %a)
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ret void
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}
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define void @iocsrrd_h_noret(i32 %a) {
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; CHECK-LABEL: iocsrrd_h_noret:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrrd.h $a0, $a0
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.iocsrrd.h(i32 %a)
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ret void
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}
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define void @iocsrrd_w_noret(i32 %a) {
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; CHECK-LABEL: iocsrrd_w_noret:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrrd.w $a0, $a0
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.iocsrrd.w(i32 %a)
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ret void
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}
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define void @iocsrwr_b(i32 %a, i32 %b) {
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; CHECK-LABEL: iocsrwr_b:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrwr.b $a0, $a1
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; CHECK-NEXT: ret
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entry:
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tail call void @llvm.loongarch.iocsrwr.b(i32 %a, i32 %b)
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ret void
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}
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define void @iocsrwr_h(i32 %a, i32 %b) {
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; CHECK-LABEL: iocsrwr_h:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrwr.h $a0, $a1
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; CHECK-NEXT: ret
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entry:
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tail call void @llvm.loongarch.iocsrwr.h(i32 %a, i32 %b)
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ret void
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}
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define void @iocsrwr_w(i32 %a, i32 %b) {
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; CHECK-LABEL: iocsrwr_w:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: iocsrwr.w $a0, $a1
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; CHECK-NEXT: ret
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entry:
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tail call void @llvm.loongarch.iocsrwr.w(i32 %a, i32 %b)
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ret void
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}
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define i32 @cpucfg(i32 %a) {
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; CHECK-LABEL: cpucfg:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cpucfg $a0, $a0
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.cpucfg(i32 %a)
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ret i32 %0
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}
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define void @cpucfg_noret(i32 %a) {
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; CHECK-LABEL: cpucfg_noret:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i32 @llvm.loongarch.cpucfg(i32 %a)
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ret void
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}
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