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[llvm][LoongArch] Support per-global code model attribute for LoongAr…
…ch (llvm#72079) This patch gets the code model from global variable attribute if it has, otherwise the target's will be used. --------- Signed-off-by: WANG Rui <wangrui@loongson.cn>
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ||
; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s | ||
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@a= external dso_local global i32, code_model "small", align 4 | ||
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define dso_local signext i32 @local_small() #0 { | ||
; CHECK-LABEL: local_small: | ||
; CHECK: # %bb.0: | ||
; CHECK-NEXT: pcalau12i $a0, %pc_hi20(a) | ||
; CHECK-NEXT: addi.d $a0, $a0, %pc_lo12(a) | ||
; CHECK-NEXT: ld.w $a0, $a0, 0 | ||
; CHECK-NEXT: ret | ||
%1 = load i32, ptr @a, align 4 | ||
ret i32 %1 | ||
} | ||
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@b= external dso_local global i32, code_model "large", align 4 | ||
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define dso_local signext i32 @local_large() #0 { | ||
; CHECK-LABEL: local_large: | ||
; CHECK: # %bb.0: | ||
; CHECK-NEXT: pcalau12i $a0, %pc_hi20(b) | ||
; CHECK-NEXT: addi.d $t8, $zero, %pc_lo12(b) | ||
; CHECK-NEXT: lu32i.d $t8, %pc64_lo20(b) | ||
; CHECK-NEXT: lu52i.d $t8, $t8, %pc64_hi12(b) | ||
; CHECK-NEXT: add.d $a0, $t8, $a0 | ||
; CHECK-NEXT: ld.w $a0, $a0, 0 | ||
; CHECK-NEXT: ret | ||
%1 = load i32, ptr @b, align 4 | ||
ret i32 %1 | ||
} | ||
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@c= external global i32, code_model "large", align 4 | ||
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define dso_local signext i32 @non_local_large() #0 { | ||
; CHECK-LABEL: non_local_large: | ||
; CHECK: # %bb.0: | ||
; CHECK-NEXT: pcalau12i $a0, %got_pc_hi20(c) | ||
; CHECK-NEXT: ld.d $a0, $a0, %got_pc_lo12(c) | ||
; CHECK-NEXT: ld.w $a0, $a0, 0 | ||
; CHECK-NEXT: ret | ||
%1 = load i32, ptr @c, align 4 | ||
ret i32 %1 | ||
} |