882ddab4c0
In LoongArch, when `CodeModel=Medium`, it just increases the jumping ability of function calls relative to PC, from 2^28 to 2^32. Depends on D137393 Reviewed By: SixWeining Differential Revision: https://reviews.llvm.org/D137394
64 lines
2.2 KiB
LLVM
64 lines
2.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch64 --code-model=small < %s | \
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; RUN: FileCheck --check-prefix=SMALL %s
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; RUN: llc --mtriple=loongarch64 --code-model=medium < %s | \
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; RUN: FileCheck --check-prefix=MEDIUM %s
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declare void @llvm.memset.p0.i64(ptr, i8, i64, i1)
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declare i32 @callee(i32)
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define i32 @call_globaladdress(i32 %a) nounwind {
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; SMALL-LABEL: call_globaladdress:
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; SMALL: # %bb.0:
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; SMALL-NEXT: addi.d $sp, $sp, -16
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; SMALL-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
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; SMALL-NEXT: bl %plt(callee)
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; SMALL-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
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; SMALL-NEXT: addi.d $sp, $sp, 16
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; SMALL-NEXT: ret
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;
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; MEDIUM-LABEL: call_globaladdress:
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; MEDIUM: # %bb.0:
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; MEDIUM-NEXT: addi.d $sp, $sp, -16
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; MEDIUM-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
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; MEDIUM-NEXT: pcalau12i $ra, %pc_hi20(callee)
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; MEDIUM-NEXT: jirl $ra, $ra, %pc_lo12(callee)
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; MEDIUM-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
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; MEDIUM-NEXT: addi.d $sp, $sp, 16
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; MEDIUM-NEXT: ret
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%1 = call i32 @callee(i32 %a)
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ret i32 %1
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}
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define void @call_external_sym(ptr %dst) {
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; SMALL-LABEL: call_external_sym:
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; SMALL: # %bb.0: # %entry
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; SMALL-NEXT: addi.d $sp, $sp, -16
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; SMALL-NEXT: .cfi_def_cfa_offset 16
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; SMALL-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
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; SMALL-NEXT: .cfi_offset 1, -8
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; SMALL-NEXT: ori $a2, $zero, 1000
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; SMALL-NEXT: move $a1, $zero
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; SMALL-NEXT: bl %plt(memset)
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; SMALL-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
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; SMALL-NEXT: addi.d $sp, $sp, 16
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; SMALL-NEXT: ret
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;
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; MEDIUM-LABEL: call_external_sym:
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; MEDIUM: # %bb.0: # %entry
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; MEDIUM-NEXT: addi.d $sp, $sp, -16
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; MEDIUM-NEXT: .cfi_def_cfa_offset 16
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; MEDIUM-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
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; MEDIUM-NEXT: .cfi_offset 1, -8
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; MEDIUM-NEXT: ori $a2, $zero, 1000
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; MEDIUM-NEXT: move $a1, $zero
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; MEDIUM-NEXT: pcalau12i $ra, %pc_hi20(memset)
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; MEDIUM-NEXT: jirl $ra, $ra, %pc_lo12(memset)
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; MEDIUM-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
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; MEDIUM-NEXT: addi.d $sp, $sp, 16
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; MEDIUM-NEXT: ret
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entry:
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call void @llvm.memset.p0.i64(ptr %dst, i8 0, i64 1000, i1 false)
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ret void
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}
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