| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc --mtriple=loongarch64 --code-model=small < %s | \ |
| ; RUN: FileCheck --check-prefix=SMALL %s |
| ; RUN: llc --mtriple=loongarch64 --code-model=medium < %s | \ |
| ; RUN: FileCheck --check-prefix=MEDIUM %s |
| ; RUN: llc --mtriple=loongarch64 --code-model=large < %s | \ |
| ; RUN: FileCheck --check-prefix=LARGE %s |
| |
| declare void @llvm.memset.p0.i64(ptr, i8, i64, i1) |
| declare i32 @callee(i32) |
| |
| define i32 @call_globaladdress(i32 %a) nounwind { |
| ; SMALL-LABEL: call_globaladdress: |
| ; SMALL: # %bb.0: |
| ; SMALL-NEXT: addi.d $sp, $sp, -16 |
| ; SMALL-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill |
| ; SMALL-NEXT: bl %plt(callee) |
| ; SMALL-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload |
| ; SMALL-NEXT: addi.d $sp, $sp, 16 |
| ; SMALL-NEXT: ret |
| ; |
| ; MEDIUM-LABEL: call_globaladdress: |
| ; MEDIUM: # %bb.0: |
| ; MEDIUM-NEXT: addi.d $sp, $sp, -16 |
| ; MEDIUM-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill |
| ; MEDIUM-NEXT: pcaddu18i $ra, %call36(callee) |
| ; MEDIUM-NEXT: jirl $ra, $ra, 0 |
| ; MEDIUM-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload |
| ; MEDIUM-NEXT: addi.d $sp, $sp, 16 |
| ; MEDIUM-NEXT: ret |
| ; |
| ; LARGE-LABEL: call_globaladdress: |
| ; LARGE: # %bb.0: |
| ; LARGE-NEXT: addi.d $sp, $sp, -16 |
| ; LARGE-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill |
| ; LARGE-NEXT: pcalau12i $ra, %got_pc_hi20(callee) |
| ; LARGE-NEXT: addi.d $t8, $zero, %got_pc_lo12(callee) |
| ; LARGE-NEXT: lu32i.d $t8, %got64_pc_lo20(callee) |
| ; LARGE-NEXT: lu52i.d $t8, $t8, %got64_pc_hi12(callee) |
| ; LARGE-NEXT: ldx.d $ra, $t8, $ra |
| ; LARGE-NEXT: jirl $ra, $ra, 0 |
| ; LARGE-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload |
| ; LARGE-NEXT: addi.d $sp, $sp, 16 |
| ; LARGE-NEXT: ret |
| %1 = call i32 @callee(i32 %a) |
| ret i32 %1 |
| } |
| |
| define void @call_external_sym(ptr %dst) { |
| ; SMALL-LABEL: call_external_sym: |
| ; SMALL: # %bb.0: # %entry |
| ; SMALL-NEXT: addi.d $sp, $sp, -16 |
| ; SMALL-NEXT: .cfi_def_cfa_offset 16 |
| ; SMALL-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill |
| ; SMALL-NEXT: .cfi_offset 1, -8 |
| ; SMALL-NEXT: ori $a2, $zero, 1000 |
| ; SMALL-NEXT: move $a1, $zero |
| ; SMALL-NEXT: bl %plt(memset) |
| ; SMALL-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload |
| ; SMALL-NEXT: addi.d $sp, $sp, 16 |
| ; SMALL-NEXT: ret |
| ; |
| ; MEDIUM-LABEL: call_external_sym: |
| ; MEDIUM: # %bb.0: # %entry |
| ; MEDIUM-NEXT: addi.d $sp, $sp, -16 |
| ; MEDIUM-NEXT: .cfi_def_cfa_offset 16 |
| ; MEDIUM-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill |
| ; MEDIUM-NEXT: .cfi_offset 1, -8 |
| ; MEDIUM-NEXT: ori $a2, $zero, 1000 |
| ; MEDIUM-NEXT: move $a1, $zero |
| ; MEDIUM-NEXT: pcaddu18i $ra, %call36(memset) |
| ; MEDIUM-NEXT: jirl $ra, $ra, 0 |
| ; MEDIUM-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload |
| ; MEDIUM-NEXT: addi.d $sp, $sp, 16 |
| ; MEDIUM-NEXT: ret |
| ; |
| ; LARGE-LABEL: call_external_sym: |
| ; LARGE: # %bb.0: # %entry |
| ; LARGE-NEXT: addi.d $sp, $sp, -16 |
| ; LARGE-NEXT: .cfi_def_cfa_offset 16 |
| ; LARGE-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill |
| ; LARGE-NEXT: .cfi_offset 1, -8 |
| ; LARGE-NEXT: ori $a2, $zero, 1000 |
| ; LARGE-NEXT: move $a1, $zero |
| ; LARGE-NEXT: pcalau12i $ra, %pc_hi20(memset) |
| ; LARGE-NEXT: addi.d $t8, $zero, %pc_lo12(memset) |
| ; LARGE-NEXT: lu32i.d $t8, %pc64_lo20(memset) |
| ; LARGE-NEXT: lu52i.d $t8, $t8, %pc64_hi12(memset) |
| ; LARGE-NEXT: add.d $ra, $t8, $ra |
| ; LARGE-NEXT: jirl $ra, $ra, 0 |
| ; LARGE-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload |
| ; LARGE-NEXT: addi.d $sp, $sp, 16 |
| ; LARGE-NEXT: ret |
| entry: |
| call void @llvm.memset.p0.i64(ptr %dst, i8 0, i64 1000, i1 false) |
| ret void |
| } |
| |
| ;; Tail call with different codemodel. |
| declare i32 @callee_tail(i32 %i) |
| define i32 @caller_tail(i32 %i) nounwind { |
| ; SMALL-LABEL: caller_tail: |
| ; SMALL: # %bb.0: # %entry |
| ; SMALL-NEXT: b %plt(callee_tail) |
| ; |
| ; MEDIUM-LABEL: caller_tail: |
| ; MEDIUM: # %bb.0: # %entry |
| ; MEDIUM-NEXT: pcaddu18i $t8, %call36(callee_tail) |
| ; MEDIUM-NEXT: jr $t8 |
| ; |
| ; LARGE-LABEL: caller_tail: |
| ; LARGE: # %bb.0: # %entry |
| ; LARGE-NEXT: pcalau12i $t7, %got_pc_hi20(callee_tail) |
| ; LARGE-NEXT: addi.d $t8, $zero, %got_pc_lo12(callee_tail) |
| ; LARGE-NEXT: lu32i.d $t8, %got64_pc_lo20(callee_tail) |
| ; LARGE-NEXT: lu52i.d $t8, $t8, %got64_pc_hi12(callee_tail) |
| ; LARGE-NEXT: ldx.d $t7, $t8, $t7 |
| ; LARGE-NEXT: jr $t7 |
| entry: |
| %r = tail call i32 @callee_tail(i32 %i) |
| ret i32 %r |
| } |