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[LoongArch] Supports brcond with 21 bit offsets
Differential Revision: https://reviews.llvm.org/D132006
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ||
; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s --check-prefix=LA32 | ||
; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s --check-prefix=LA64 | ||
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declare void @bar() | ||
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define void @bnez_i32(i32 signext %0) nounwind { | ||
; LA32-LABEL: bnez_i32: | ||
; LA32: # %bb.0: # %start | ||
; LA32-NEXT: addi.w $sp, $sp, -16 | ||
; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill | ||
; LA32-NEXT: bnez $a0, .LBB0_2 | ||
; LA32-NEXT: # %bb.1: # %t | ||
; LA32-NEXT: bl bar | ||
; LA32-NEXT: .LBB0_2: # %f | ||
; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload | ||
; LA32-NEXT: addi.w $sp, $sp, 16 | ||
; LA32-NEXT: ret | ||
; | ||
; LA64-LABEL: bnez_i32: | ||
; LA64: # %bb.0: # %start | ||
; LA64-NEXT: addi.d $sp, $sp, -16 | ||
; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill | ||
; LA64-NEXT: bnez $a0, .LBB0_2 | ||
; LA64-NEXT: # %bb.1: # %t | ||
; LA64-NEXT: bl bar | ||
; LA64-NEXT: .LBB0_2: # %f | ||
; LA64-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload | ||
; LA64-NEXT: addi.d $sp, $sp, 16 | ||
; LA64-NEXT: ret | ||
start: | ||
%1 = icmp eq i32 %0, 0 | ||
br i1 %1, label %t, label %f | ||
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t: | ||
tail call void @bar() | ||
br label %f | ||
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f: | ||
ret void | ||
} | ||
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define void @beqz_i32(i32 signext %0) nounwind { | ||
; LA32-LABEL: beqz_i32: | ||
; LA32: # %bb.0: # %start | ||
; LA32-NEXT: addi.w $sp, $sp, -16 | ||
; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill | ||
; LA32-NEXT: beqz $a0, .LBB1_2 | ||
; LA32-NEXT: # %bb.1: # %t | ||
; LA32-NEXT: bl bar | ||
; LA32-NEXT: .LBB1_2: # %f | ||
; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload | ||
; LA32-NEXT: addi.w $sp, $sp, 16 | ||
; LA32-NEXT: ret | ||
; | ||
; LA64-LABEL: beqz_i32: | ||
; LA64: # %bb.0: # %start | ||
; LA64-NEXT: addi.d $sp, $sp, -16 | ||
; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill | ||
; LA64-NEXT: beqz $a0, .LBB1_2 | ||
; LA64-NEXT: # %bb.1: # %t | ||
; LA64-NEXT: bl bar | ||
; LA64-NEXT: .LBB1_2: # %f | ||
; LA64-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload | ||
; LA64-NEXT: addi.d $sp, $sp, 16 | ||
; LA64-NEXT: ret | ||
start: | ||
%1 = icmp ne i32 %0, 0 | ||
br i1 %1, label %t, label %f | ||
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t: | ||
tail call void @bar() | ||
br label %f | ||
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f: | ||
ret void | ||
} | ||
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define void @bnez_i64(i64 %0) nounwind { | ||
; LA32-LABEL: bnez_i64: | ||
; LA32: # %bb.0: # %start | ||
; LA32-NEXT: addi.w $sp, $sp, -16 | ||
; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill | ||
; LA32-NEXT: or $a0, $a0, $a1 | ||
; LA32-NEXT: bnez $a0, .LBB2_2 | ||
; LA32-NEXT: # %bb.1: # %t | ||
; LA32-NEXT: bl bar | ||
; LA32-NEXT: .LBB2_2: # %f | ||
; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload | ||
; LA32-NEXT: addi.w $sp, $sp, 16 | ||
; LA32-NEXT: ret | ||
; | ||
; LA64-LABEL: bnez_i64: | ||
; LA64: # %bb.0: # %start | ||
; LA64-NEXT: addi.d $sp, $sp, -16 | ||
; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill | ||
; LA64-NEXT: bnez $a0, .LBB2_2 | ||
; LA64-NEXT: # %bb.1: # %t | ||
; LA64-NEXT: bl bar | ||
; LA64-NEXT: .LBB2_2: # %f | ||
; LA64-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload | ||
; LA64-NEXT: addi.d $sp, $sp, 16 | ||
; LA64-NEXT: ret | ||
start: | ||
%1 = icmp eq i64 %0, 0 | ||
br i1 %1, label %t, label %f | ||
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t: | ||
tail call void @bar() | ||
br label %f | ||
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f: | ||
ret void | ||
} | ||
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define void @beqz_i64(i64 %0) nounwind { | ||
; LA32-LABEL: beqz_i64: | ||
; LA32: # %bb.0: # %start | ||
; LA32-NEXT: addi.w $sp, $sp, -16 | ||
; LA32-NEXT: st.w $ra, $sp, 12 # 4-byte Folded Spill | ||
; LA32-NEXT: or $a0, $a0, $a1 | ||
; LA32-NEXT: beqz $a0, .LBB3_2 | ||
; LA32-NEXT: # %bb.1: # %t | ||
; LA32-NEXT: bl bar | ||
; LA32-NEXT: .LBB3_2: # %f | ||
; LA32-NEXT: ld.w $ra, $sp, 12 # 4-byte Folded Reload | ||
; LA32-NEXT: addi.w $sp, $sp, 16 | ||
; LA32-NEXT: ret | ||
; | ||
; LA64-LABEL: beqz_i64: | ||
; LA64: # %bb.0: # %start | ||
; LA64-NEXT: addi.d $sp, $sp, -16 | ||
; LA64-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill | ||
; LA64-NEXT: beqz $a0, .LBB3_2 | ||
; LA64-NEXT: # %bb.1: # %t | ||
; LA64-NEXT: bl bar | ||
; LA64-NEXT: .LBB3_2: # %f | ||
; LA64-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload | ||
; LA64-NEXT: addi.d $sp, $sp, 16 | ||
; LA64-NEXT: ret | ||
start: | ||
%1 = icmp ne i64 %0, 0 | ||
br i1 %1, label %t, label %f | ||
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t: | ||
tail call void @bar() | ||
br label %f | ||
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f: | ||
ret void | ||
} |