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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch64 -mattr=+d -O0 < %s | FileCheck %s --check-prefix=NOSHRINKW
; RUN: llc --mtriple=loongarch64 -mattr=+d -O2 < %s | FileCheck %s --check-prefix=SHRINKW
declare void @abort()
define void @eliminate_restore(i32 %n) nounwind {
; NOSHRINKW-LABEL: eliminate_restore:
; NOSHRINKW: # %bb.0:
; NOSHRINKW-NEXT: addi.d $sp, $sp, -16
; NOSHRINKW-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
; NOSHRINKW-NEXT: addi.w $a1, $a0, 0
; NOSHRINKW-NEXT: ori $a0, $zero, 32
; NOSHRINKW-NEXT: bltu $a0, $a1, .LBB0_2
; NOSHRINKW-NEXT: b .LBB0_1
; NOSHRINKW-NEXT: .LBB0_1: # %if.then
; NOSHRINKW-NEXT: bl %plt(abort)
; NOSHRINKW-NEXT: .LBB0_2: # %if.end
; NOSHRINKW-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
; NOSHRINKW-NEXT: addi.d $sp, $sp, 16
; NOSHRINKW-NEXT: ret
;
; SHRINKW-LABEL: eliminate_restore:
; SHRINKW: # %bb.0:
; SHRINKW-NEXT: addi.w $a0, $a0, 0
; SHRINKW-NEXT: ori $a1, $zero, 32
; SHRINKW-NEXT: bgeu $a1, $a0, .LBB0_2
; SHRINKW-NEXT: # %bb.1: # %if.end
; SHRINKW-NEXT: ret
; SHRINKW-NEXT: .LBB0_2: # %if.then
; SHRINKW-NEXT: addi.d $sp, $sp, -16
; SHRINKW-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
; SHRINKW-NEXT: bl %plt(abort)
%cmp = icmp ule i32 %n, 32
br i1 %cmp, label %if.then, label %if.end
if.then:
call void @abort()
unreachable
if.end:
ret void
}
declare void @notdead(ptr)
define void @conditional_alloca(i32 %n) nounwind {
; NOSHRINKW-LABEL: conditional_alloca:
; NOSHRINKW: # %bb.0:
; NOSHRINKW-NEXT: addi.d $sp, $sp, -32
; NOSHRINKW-NEXT: st.d $ra, $sp, 24 # 8-byte Folded Spill
; NOSHRINKW-NEXT: st.d $fp, $sp, 16 # 8-byte Folded Spill
; NOSHRINKW-NEXT: addi.d $fp, $sp, 32
; NOSHRINKW-NEXT: addi.w $a1, $a0, 0
; NOSHRINKW-NEXT: st.d $a0, $fp, -24 # 8-byte Folded Spill
; NOSHRINKW-NEXT: ori $a0, $zero, 32
; NOSHRINKW-NEXT: bltu $a0, $a1, .LBB1_2
; NOSHRINKW-NEXT: b .LBB1_1
; NOSHRINKW-NEXT: .LBB1_1: # %if.then
; NOSHRINKW-NEXT: ld.d $a0, $fp, -24 # 8-byte Folded Reload
; NOSHRINKW-NEXT: bstrpick.d $a0, $a0, 31, 0
; NOSHRINKW-NEXT: addi.d $a0, $a0, 15
; NOSHRINKW-NEXT: bstrpick.d $a0, $a0, 32, 4
; NOSHRINKW-NEXT: slli.d $a1, $a0, 4
; NOSHRINKW-NEXT: move $a0, $sp
; NOSHRINKW-NEXT: sub.d $a0, $a0, $a1
; NOSHRINKW-NEXT: move $sp, $a0
; NOSHRINKW-NEXT: bl %plt(notdead)
; NOSHRINKW-NEXT: b .LBB1_2
; NOSHRINKW-NEXT: .LBB1_2: # %if.end
; NOSHRINKW-NEXT: addi.d $sp, $fp, -32
; NOSHRINKW-NEXT: ld.d $fp, $sp, 16 # 8-byte Folded Reload
; NOSHRINKW-NEXT: ld.d $ra, $sp, 24 # 8-byte Folded Reload
; NOSHRINKW-NEXT: addi.d $sp, $sp, 32
; NOSHRINKW-NEXT: ret
;
; SHRINKW-LABEL: conditional_alloca:
; SHRINKW: # %bb.0:
; SHRINKW-NEXT: addi.w $a1, $a0, 0
; SHRINKW-NEXT: ori $a2, $zero, 32
; SHRINKW-NEXT: bltu $a2, $a1, .LBB1_2
; SHRINKW-NEXT: # %bb.1: # %if.then
; SHRINKW-NEXT: addi.d $sp, $sp, -16
; SHRINKW-NEXT: st.d $ra, $sp, 8 # 8-byte Folded Spill
; SHRINKW-NEXT: st.d $fp, $sp, 0 # 8-byte Folded Spill
; SHRINKW-NEXT: addi.d $fp, $sp, 16
; SHRINKW-NEXT: bstrpick.d $a0, $a0, 31, 0
; SHRINKW-NEXT: addi.d $a0, $a0, 15
; SHRINKW-NEXT: bstrpick.d $a0, $a0, 32, 4
; SHRINKW-NEXT: slli.d $a0, $a0, 4
; SHRINKW-NEXT: sub.d $a0, $sp, $a0
; SHRINKW-NEXT: move $sp, $a0
; SHRINKW-NEXT: bl %plt(notdead)
; SHRINKW-NEXT: addi.d $sp, $fp, -16
; SHRINKW-NEXT: ld.d $fp, $sp, 0 # 8-byte Folded Reload
; SHRINKW-NEXT: ld.d $ra, $sp, 8 # 8-byte Folded Reload
; SHRINKW-NEXT: addi.d $sp, $sp, 16
; SHRINKW-NEXT: .LBB1_2: # %if.end
; SHRINKW-NEXT: ret
%cmp = icmp ule i32 %n, 32
br i1 %cmp, label %if.then, label %if.end
if.then:
%addr = alloca i8, i32 %n
call void @notdead(ptr %addr)
br label %if.end
if.end:
ret void
}
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