90 lines
3.2 KiB
LLVM
90 lines
3.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch32 --mattr=+d < %s | FileCheck %s --check-prefix=LA32
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; RUN: llc --mtriple=loongarch64 --mattr=+d < %s | FileCheck %s --check-prefix=LA64
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;; Check the $fcc* register is spilled before funtion call and then reloaded.
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declare void @foo()
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define i1 @load_store_fcc_reg(float %a, i1 %c) {
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; LA32-LABEL: load_store_fcc_reg:
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; LA32: # %bb.0:
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; LA32-NEXT: addi.w $sp, $sp, -32
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; LA32-NEXT: .cfi_def_cfa_offset 32
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; LA32-NEXT: st.w $ra, $sp, 28 # 4-byte Folded Spill
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; LA32-NEXT: st.w $fp, $sp, 24 # 4-byte Folded Spill
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; LA32-NEXT: fst.d $fs0, $sp, 16 # 8-byte Folded Spill
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; LA32-NEXT: fst.d $fs1, $sp, 8 # 8-byte Folded Spill
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; LA32-NEXT: .cfi_offset 1, -4
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; LA32-NEXT: .cfi_offset 22, -8
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; LA32-NEXT: .cfi_offset 56, -16
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; LA32-NEXT: .cfi_offset 57, -24
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; LA32-NEXT: move $fp, $a0
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; LA32-NEXT: fmov.s $fs0, $fa0
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; LA32-NEXT: movgr2fr.w $fs1, $zero
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; LA32-NEXT: fcmp.cult.s $fcc0, $fs1, $fa0
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; LA32-NEXT: movcf2gr $a0, $fcc0
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; LA32-NEXT: st.w $a0, $sp, 4
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; LA32-NEXT: bl %plt(foo)
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; LA32-NEXT: ld.w $a0, $sp, 4
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; LA32-NEXT: movgr2cf $fcc0, $a0
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; LA32-NEXT: bcnez $fcc0, .LBB0_2
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; LA32-NEXT: # %bb.1: # %if.then
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; LA32-NEXT: move $a0, $fp
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; LA32-NEXT: b .LBB0_3
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; LA32-NEXT: .LBB0_2: # %if.else
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; LA32-NEXT: fcmp.cle.s $fcc0, $fs0, $fs1
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; LA32-NEXT: movcf2gr $a0, $fcc0
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; LA32-NEXT: .LBB0_3: # %if.then
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; LA32-NEXT: fld.d $fs1, $sp, 8 # 8-byte Folded Reload
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; LA32-NEXT: fld.d $fs0, $sp, 16 # 8-byte Folded Reload
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; LA32-NEXT: ld.w $fp, $sp, 24 # 4-byte Folded Reload
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; LA32-NEXT: ld.w $ra, $sp, 28 # 4-byte Folded Reload
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; LA32-NEXT: addi.w $sp, $sp, 32
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; LA32-NEXT: ret
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;
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; LA64-LABEL: load_store_fcc_reg:
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; LA64: # %bb.0:
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; LA64-NEXT: addi.d $sp, $sp, -48
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; LA64-NEXT: .cfi_def_cfa_offset 48
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; LA64-NEXT: st.d $ra, $sp, 40 # 8-byte Folded Spill
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; LA64-NEXT: st.d $fp, $sp, 32 # 8-byte Folded Spill
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; LA64-NEXT: fst.d $fs0, $sp, 24 # 8-byte Folded Spill
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; LA64-NEXT: fst.d $fs1, $sp, 16 # 8-byte Folded Spill
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; LA64-NEXT: .cfi_offset 1, -8
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; LA64-NEXT: .cfi_offset 22, -16
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; LA64-NEXT: .cfi_offset 56, -24
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; LA64-NEXT: .cfi_offset 57, -32
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; LA64-NEXT: move $fp, $a0
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; LA64-NEXT: fmov.s $fs0, $fa0
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; LA64-NEXT: movgr2fr.w $fs1, $zero
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; LA64-NEXT: fcmp.cult.s $fcc0, $fs1, $fa0
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; LA64-NEXT: movcf2gr $a0, $fcc0
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; LA64-NEXT: st.d $a0, $sp, 8
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; LA64-NEXT: bl %plt(foo)
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; LA64-NEXT: ld.d $a0, $sp, 8
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; LA64-NEXT: movgr2cf $fcc0, $a0
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; LA64-NEXT: bcnez $fcc0, .LBB0_2
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; LA64-NEXT: # %bb.1: # %if.then
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; LA64-NEXT: move $a0, $fp
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; LA64-NEXT: b .LBB0_3
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; LA64-NEXT: .LBB0_2: # %if.else
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; LA64-NEXT: fcmp.cle.s $fcc0, $fs0, $fs1
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; LA64-NEXT: movcf2gr $a0, $fcc0
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; LA64-NEXT: .LBB0_3: # %if.then
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; LA64-NEXT: fld.d $fs1, $sp, 16 # 8-byte Folded Reload
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; LA64-NEXT: fld.d $fs0, $sp, 24 # 8-byte Folded Reload
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; LA64-NEXT: ld.d $fp, $sp, 32 # 8-byte Folded Reload
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; LA64-NEXT: ld.d $ra, $sp, 40 # 8-byte Folded Reload
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; LA64-NEXT: addi.d $sp, $sp, 48
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; LA64-NEXT: ret
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%cmp = fcmp ole float %a, 0.000000e+00
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call void @foo()
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br i1 %cmp, label %if.then, label %if.else
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if.then:
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ret i1 %c
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if.else:
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ret i1 %cmp
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}
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