; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --include-generated-funcs --version 2
; RUN: llc -mtriple=riscv64 -riscv-enable-copy-propagation -enable-machine-outliner -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV64I
; The outlined function produced by this test case contains a register to
; register copy, which is at risk of being removed by MachineCopyPropagation
; if it can't see that the copy is used. At the time of writing this test
; case, MCP will remove the copy if it is run after the machine outliner.
define signext i32 @nge(i32 signext %a, i32 signext %b) nounwind {
entry:
%cmp = icmp sge i32 %a, %b
%conv.neg = sext i1 %cmp to i32
ret i32 %conv.neg
}
define signext i32 @ngt(i32 signext %a, i32 signext %b) nounwind {
entry:
%cmp = icmp sgt i32 %a, %b
%conv.neg = sext i1 %cmp to i32
ret i32 %conv.neg
}
define signext i32 @nle(i32 signext %a, i32 signext %b) nounwind {
entry:
%cmp = icmp sle i32 %a, %b
%conv.neg = sext i1 %cmp to i32
ret i32 %conv.neg
}
define signext i32 @nlt(i32 signext %a, i32 signext %b) nounwind {
entry:
%cmp = icmp slt i32 %a, %b
%conv.neg = sext i1 %cmp to i32
ret i32 %conv.neg
}
define signext i32 @main() nounwind {
entry:
%call = tail call signext i32 @nge(i32 signext -2147483648, i32 signext 2147483647)
%cmp.not = icmp eq i32 %call, 0
br i1 %cmp.not, label %if.end, label %if.then
if.then:
tail call void @abort()
unreachable
if.end:
%call1 = tail call signext i32 @nge(i32 signext 2147483647, i32 signext -2147483648)
%cmp2.not = icmp eq i32 %call1, -1
br i1 %cmp2.not, label %if.end4, label %if.then3
if.then3:
tail call void @abort()
unreachable
if.end4:
%call5 = tail call signext i32 @ngt(i32 signext -2147483648, i32 signext 2147483647)
%cmp6.not = icmp eq i32 %call5, 0
br i1 %cmp6.not, label %if.end8, label %if.then7
if.then7:
tail call void @abort()
unreachable
if.end8:
%call9 = tail call signext i32 @ngt(i32 signext 2147483647, i32 signext -2147483648)
%cmp10.not = icmp eq i32 %call9, -1
br i1 %cmp10.not, label %if.end12, label %if.then11
if.then11:
tail call void @abort()
unreachable
if.end12:
%call13 = tail call signext i32 @nle(i32 signext -2147483648, i32 signext 2147483647)
%cmp14.not = icmp eq i32 %call13, -1
br i1 %cmp14.not, label %if.end16, label %if.then15
if.then15:
tail call void @abort()
unreachable
if.end16:
%call17 = tail call signext i32 @nle(i32 signext 2147483647, i32 signext -2147483648)
%cmp18.not = icmp eq i32 %call17, 0
br i1 %cmp18.not, label %if.end20, label %if.then19
if.then19:
tail call void @abort()
unreachable
if.end20:
%call21 = tail call signext i32 @nlt(i32 signext -2147483648, i32 signext 2147483647)
%cmp22.not = icmp eq i32 %call21, -1
br i1 %cmp22.not, label %if.end24, label %if.then23
if.then23:
tail call void @abort()
unreachable
if.end24:
%call25 = tail call signext i32 @nlt(i32 signext 2147483647, i32 signext -2147483648)
%cmp26.not = icmp eq i32 %call25, 0
br i1 %cmp26.not, label %if.end28, label %if.then27
if.then27:
tail call void @abort()
unreachable
if.end28:
tail call void @exit(i32 signext 0)
unreachable
}
declare void @abort() noreturn
declare void @exit(i32 signext) noreturn
; RV64I-LABEL: nge:
; RV64I: # %bb.0: # %entry
; RV64I-NEXT: slt a0, a0, a1
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: ret
;
; RV64I-LABEL: ngt:
; RV64I: # %bb.0: # %entry
; RV64I-NEXT: slt a0, a1, a0
; RV64I-NEXT: neg a0, a0
; RV64I-NEXT: ret
;
; RV64I-LABEL: nle:
; RV64I: # %bb.0: # %entry
; RV64I-NEXT: slt a0, a1, a0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: ret
;
; RV64I-LABEL: nlt:
; RV64I: # %bb.0: # %entry
; RV64I-NEXT: slt a0, a0, a1
; RV64I-NEXT: neg a0, a0
; RV64I-NEXT: ret
;
; RV64I-LABEL: main:
; RV64I: # %bb.0: # %entry
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call t0, OUTLINED_FUNCTION_0
; RV64I-NEXT: call nge
; RV64I-NEXT: bnez a0, .LBB4_9
; RV64I-NEXT: # %bb.1: # %if.end
; RV64I-NEXT: lui a1, 524288
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call nge
; RV64I-NEXT: li a1, -1
; RV64I-NEXT: bne a0, a1, .LBB4_9
; RV64I-NEXT: # %bb.2: # %if.end4
; RV64I-NEXT: call t0, OUTLINED_FUNCTION_0
; RV64I-NEXT: call ngt
; RV64I-NEXT: bnez a0, .LBB4_9
; RV64I-NEXT: # %bb.3: # %if.end8
; RV64I-NEXT: lui a1, 524288
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call ngt
; RV64I-NEXT: li s1, -1
; RV64I-NEXT: bne a0, s1, .LBB4_9
; RV64I-NEXT: # %bb.4: # %if.end12
; RV64I-NEXT: call t0, OUTLINED_FUNCTION_0
; RV64I-NEXT: call nle
; RV64I-NEXT: bne a0, s1, .LBB4_9
; RV64I-NEXT: # %bb.5: # %if.end16
; RV64I-NEXT: lui a1, 524288
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call nle
; RV64I-NEXT: bnez a0, .LBB4_9
; RV64I-NEXT: # %bb.6: # %if.end20
; RV64I-NEXT: call t0, OUTLINED_FUNCTION_0
; RV64I-NEXT: call nlt
; RV64I-NEXT: li a1, -1
; RV64I-NEXT: bne a0, a1, .LBB4_9
; RV64I-NEXT: # %bb.7: # %if.end24
; RV64I-NEXT: lui a1, 524288
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call nlt
; RV64I-NEXT: bnez a0, .LBB4_9
; RV64I-NEXT: # %bb.8: # %if.end28
; RV64I-NEXT: call exit
; RV64I-NEXT: .LBB4_9: # %if.then
; RV64I-NEXT: call abort
;
; RV64I-LABEL: OUTLINED_FUNCTION_0:
; RV64I: # %bb.0:
; RV64I-NEXT: lui s0, 524288
; RV64I-NEXT: addiw s0, s0, -1
; RV64I-NEXT: lui a0, 524288
; RV64I-NEXT: mv a1, s0
; RV64I-NEXT: jr t0
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