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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -disable-block-placement -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zbt -disable-block-placement -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IBT %s
define i32 @foo(i32 %a, i32 *%b) nounwind {
; RV32I-LABEL: foo:
; RV32I: # %bb.0:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: beq a0, a2, .LBB0_2
; RV32I-NEXT: # %bb.1:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_2:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: bne a0, a2, .LBB0_4
; RV32I-NEXT: # %bb.3:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_4:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: bltu a2, a0, .LBB0_6
; RV32I-NEXT: # %bb.5:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_6:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: bgeu a0, a2, .LBB0_8
; RV32I-NEXT: # %bb.7:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_8:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: bltu a0, a2, .LBB0_10
; RV32I-NEXT: # %bb.9:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_10:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: bgeu a2, a0, .LBB0_12
; RV32I-NEXT: # %bb.11:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_12:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: blt a2, a0, .LBB0_14
; RV32I-NEXT: # %bb.13:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_14:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: bge a0, a2, .LBB0_16
; RV32I-NEXT: # %bb.15:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_16:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: blt a0, a2, .LBB0_18
; RV32I-NEXT: # %bb.17:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_18:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: bge a2, a0, .LBB0_20
; RV32I-NEXT: # %bb.19:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_20:
; RV32I-NEXT: lw a2, 0(a1)
; RV32I-NEXT: blez a2, .LBB0_22
; RV32I-NEXT: # %bb.21:
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: .LBB0_22:
; RV32I-NEXT: lw a1, 0(a1)
; RV32I-NEXT: bgez a2, .LBB0_24
; RV32I-NEXT: # %bb.23:
; RV32I-NEXT: mv a0, a1
; RV32I-NEXT: .LBB0_24:
; RV32I-NEXT: ret
;
; RV32IBT-LABEL: foo:
; RV32IBT: # %bb.0:
; RV32IBT-NEXT: lw a2, 0(a1)
; RV32IBT-NEXT: lw a3, 0(a1)
; RV32IBT-NEXT: xor a4, a0, a2
; RV32IBT-NEXT: cmov a0, a4, a2, a0
; RV32IBT-NEXT: lw a2, 0(a1)
; RV32IBT-NEXT: xor a4, a0, a3
; RV32IBT-NEXT: cmov a0, a4, a0, a3
; RV32IBT-NEXT: lw a3, 0(a1)
; RV32IBT-NEXT: sltu a4, a2, a0
; RV32IBT-NEXT: cmov a0, a4, a0, a2
; RV32IBT-NEXT: lw a2, 0(a1)
; RV32IBT-NEXT: sltu a4, a0, a3
; RV32IBT-NEXT: cmov a0, a4, a3, a0
; RV32IBT-NEXT: lw a3, 0(a1)
; RV32IBT-NEXT: sltu a4, a0, a2
; RV32IBT-NEXT: cmov a0, a4, a0, a2
; RV32IBT-NEXT: lw a2, 0(a1)
; RV32IBT-NEXT: sltu a4, a3, a0
; RV32IBT-NEXT: cmov a0, a4, a3, a0
; RV32IBT-NEXT: lw a3, 0(a1)
; RV32IBT-NEXT: slt a4, a2, a0
; RV32IBT-NEXT: cmov a0, a4, a0, a2
; RV32IBT-NEXT: lw a2, 0(a1)
; RV32IBT-NEXT: slt a4, a0, a3
; RV32IBT-NEXT: cmov a0, a4, a3, a0
; RV32IBT-NEXT: lw a3, 0(a1)
; RV32IBT-NEXT: slt a4, a0, a2
; RV32IBT-NEXT: lw a5, 0(a1)
; RV32IBT-NEXT: cmov a0, a4, a0, a2
; RV32IBT-NEXT: slt a2, a3, a0
; RV32IBT-NEXT: cmov a0, a2, a3, a0
; RV32IBT-NEXT: slti a2, a5, 1
; RV32IBT-NEXT: lw a1, 0(a1)
; RV32IBT-NEXT: cmov a0, a2, a0, a5
; RV32IBT-NEXT: addi a2, zero, -1
; RV32IBT-NEXT: slt a2, a2, a5
; RV32IBT-NEXT: cmov a0, a2, a0, a1
; RV32IBT-NEXT: ret
%val1 = load volatile i32, i32* %b
%tst1 = icmp eq i32 %a, %val1
%val2 = select i1 %tst1, i32 %a, i32 %val1
%val3 = load volatile i32, i32* %b
%tst2 = icmp ne i32 %val2, %val3
%val4 = select i1 %tst2, i32 %val2, i32 %val3
%val5 = load volatile i32, i32* %b
%tst3 = icmp ugt i32 %val4, %val5
%val6 = select i1 %tst3, i32 %val4, i32 %val5
%val7 = load volatile i32, i32* %b
%tst4 = icmp uge i32 %val6, %val7
%val8 = select i1 %tst4, i32 %val6, i32 %val7
%val9 = load volatile i32, i32* %b
%tst5 = icmp ult i32 %val8, %val9
%val10 = select i1 %tst5, i32 %val8, i32 %val9
%val11 = load volatile i32, i32* %b
%tst6 = icmp ule i32 %val10, %val11
%val12 = select i1 %tst6, i32 %val10, i32 %val11
%val13 = load volatile i32, i32* %b
%tst7 = icmp sgt i32 %val12, %val13
%val14 = select i1 %tst7, i32 %val12, i32 %val13
%val15 = load volatile i32, i32* %b
%tst8 = icmp sge i32 %val14, %val15
%val16 = select i1 %tst8, i32 %val14, i32 %val15
%val17 = load volatile i32, i32* %b
%tst9 = icmp slt i32 %val16, %val17
%val18 = select i1 %tst9, i32 %val16, i32 %val17
%val19 = load volatile i32, i32* %b
%tst10 = icmp sle i32 %val18, %val19
%val20 = select i1 %tst10, i32 %val18, i32 %val19
%val21 = load volatile i32, i32* %b
%tst11 = icmp slt i32 %val21, 1
%val22 = select i1 %tst11, i32 %val20, i32 %val21
%val23 = load volatile i32, i32* %b
%tst12 = icmp sgt i32 %val21, -1
%val24 = select i1 %tst12, i32 %val22, i32 %val23
ret i32 %val24
}
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