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[RISCV] Use LBU for extloadi8.
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The Zcb extension has c.lbu, but not c.lb. This patch makes us
prefer LBU over LB if we have a choice which will enable more
compression opportunities.

Reviewed By: asb

Differential Revision: https://reviews.llvm.org/D146270
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@topperc
topperc committed Mar 22, 2023
1 parent 78e6818 commit 8e43c22
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Showing 19 changed files with 199 additions and 213 deletions.
2 changes: 1 addition & 1 deletion llvm/lib/Target/RISCV/RISCVInstrInfo.td
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Expand Up @@ -1625,7 +1625,7 @@ multiclass LdPat<PatFrag LoadOp, RVInst Inst, ValueType vt = XLenVT> {
}

defm : LdPat<sextloadi8, LB>;
defm : LdPat<extloadi8, LB>;
defm : LdPat<extloadi8, LBU>; // Prefer unsigned due to no c.lb in Zcb.
defm : LdPat<sextloadi16, LH>;
defm : LdPat<extloadi16, LH>;
defm : LdPat<load, LW, i32>, Requires<[IsRV32]>;
Expand Down
80 changes: 40 additions & 40 deletions llvm/test/CodeGen/RISCV/atomic-rmw.ll
View file
Expand Up @@ -2024,7 +2024,7 @@ define i8 @atomicrmw_max_i8_monotonic(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a3, 0
; RV32I-NEXT: li a4, 0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB35_4
; RV32I-NEXT: .LBB35_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2095,7 +2095,7 @@ define i8 @atomicrmw_max_i8_monotonic(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a3, 0
; RV64I-NEXT: li a4, 0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB35_4
; RV64I-NEXT: .LBB35_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2170,7 +2170,7 @@ define i8 @atomicrmw_max_i8_acquire(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 2
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB36_4
; RV32I-NEXT: .LBB36_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2241,7 +2241,7 @@ define i8 @atomicrmw_max_i8_acquire(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 2
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB36_4
; RV64I-NEXT: .LBB36_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2316,7 +2316,7 @@ define i8 @atomicrmw_max_i8_release(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: li a4, 0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB37_4
; RV32I-NEXT: .LBB37_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2387,7 +2387,7 @@ define i8 @atomicrmw_max_i8_release(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: li a4, 0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB37_4
; RV64I-NEXT: .LBB37_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2462,7 +2462,7 @@ define i8 @atomicrmw_max_i8_acq_rel(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 2
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB38_4
; RV32I-NEXT: .LBB38_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2533,7 +2533,7 @@ define i8 @atomicrmw_max_i8_acq_rel(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 2
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB38_4
; RV64I-NEXT: .LBB38_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2608,7 +2608,7 @@ define i8 @atomicrmw_max_i8_seq_cst(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 5
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB39_4
; RV32I-NEXT: .LBB39_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2679,7 +2679,7 @@ define i8 @atomicrmw_max_i8_seq_cst(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 5
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB39_4
; RV64I-NEXT: .LBB39_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2754,7 +2754,7 @@ define i8 @atomicrmw_min_i8_monotonic(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a3, 0
; RV32I-NEXT: li a4, 0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB40_4
; RV32I-NEXT: .LBB40_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2825,7 +2825,7 @@ define i8 @atomicrmw_min_i8_monotonic(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a3, 0
; RV64I-NEXT: li a4, 0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB40_4
; RV64I-NEXT: .LBB40_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2900,7 +2900,7 @@ define i8 @atomicrmw_min_i8_acquire(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 2
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB41_4
; RV32I-NEXT: .LBB41_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -2971,7 +2971,7 @@ define i8 @atomicrmw_min_i8_acquire(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 2
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB41_4
; RV64I-NEXT: .LBB41_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3046,7 +3046,7 @@ define i8 @atomicrmw_min_i8_release(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: li a4, 0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB42_4
; RV32I-NEXT: .LBB42_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3117,7 +3117,7 @@ define i8 @atomicrmw_min_i8_release(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: li a4, 0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB42_4
; RV64I-NEXT: .LBB42_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3192,7 +3192,7 @@ define i8 @atomicrmw_min_i8_acq_rel(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 2
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB43_4
; RV32I-NEXT: .LBB43_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3263,7 +3263,7 @@ define i8 @atomicrmw_min_i8_acq_rel(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 2
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB43_4
; RV64I-NEXT: .LBB43_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3338,7 +3338,7 @@ define i8 @atomicrmw_min_i8_seq_cst(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 5
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB44_4
; RV32I-NEXT: .LBB44_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3409,7 +3409,7 @@ define i8 @atomicrmw_min_i8_seq_cst(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 5
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB44_4
; RV64I-NEXT: .LBB44_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3483,7 +3483,7 @@ define i8 @atomicrmw_umax_i8_monotonic(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a3, 0
; RV32I-NEXT: li a4, 0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB45_4
; RV32I-NEXT: .LBB45_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3547,7 +3547,7 @@ define i8 @atomicrmw_umax_i8_monotonic(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a3, 0
; RV64I-NEXT: li a4, 0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB45_4
; RV64I-NEXT: .LBB45_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3615,7 +3615,7 @@ define i8 @atomicrmw_umax_i8_acquire(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 2
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB46_4
; RV32I-NEXT: .LBB46_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3679,7 +3679,7 @@ define i8 @atomicrmw_umax_i8_acquire(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 2
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB46_4
; RV64I-NEXT: .LBB46_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3747,7 +3747,7 @@ define i8 @atomicrmw_umax_i8_release(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: li a4, 0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB47_4
; RV32I-NEXT: .LBB47_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3811,7 +3811,7 @@ define i8 @atomicrmw_umax_i8_release(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: li a4, 0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB47_4
; RV64I-NEXT: .LBB47_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3879,7 +3879,7 @@ define i8 @atomicrmw_umax_i8_acq_rel(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 2
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB48_4
; RV32I-NEXT: .LBB48_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -3943,7 +3943,7 @@ define i8 @atomicrmw_umax_i8_acq_rel(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 2
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB48_4
; RV64I-NEXT: .LBB48_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4011,7 +4011,7 @@ define i8 @atomicrmw_umax_i8_seq_cst(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 5
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB49_4
; RV32I-NEXT: .LBB49_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4075,7 +4075,7 @@ define i8 @atomicrmw_umax_i8_seq_cst(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 5
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB49_4
; RV64I-NEXT: .LBB49_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4143,7 +4143,7 @@ define i8 @atomicrmw_umin_i8_monotonic(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a3, 0
; RV32I-NEXT: li a4, 0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB50_4
; RV32I-NEXT: .LBB50_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4207,7 +4207,7 @@ define i8 @atomicrmw_umin_i8_monotonic(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a3, 0
; RV64I-NEXT: li a4, 0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB50_4
; RV64I-NEXT: .LBB50_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4275,7 +4275,7 @@ define i8 @atomicrmw_umin_i8_acquire(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 2
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB51_4
; RV32I-NEXT: .LBB51_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4339,7 +4339,7 @@ define i8 @atomicrmw_umin_i8_acquire(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 2
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB51_4
; RV64I-NEXT: .LBB51_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4407,7 +4407,7 @@ define i8 @atomicrmw_umin_i8_release(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: li a4, 0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB52_4
; RV32I-NEXT: .LBB52_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4471,7 +4471,7 @@ define i8 @atomicrmw_umin_i8_release(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: li a4, 0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB52_4
; RV64I-NEXT: .LBB52_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4539,7 +4539,7 @@ define i8 @atomicrmw_umin_i8_acq_rel(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 2
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB53_4
; RV32I-NEXT: .LBB53_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4603,7 +4603,7 @@ define i8 @atomicrmw_umin_i8_acq_rel(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 2
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB53_4
; RV64I-NEXT: .LBB53_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4671,7 +4671,7 @@ define i8 @atomicrmw_umin_i8_seq_cst(ptr %a, i8 %b) nounwind {
; RV32I-NEXT: li a4, 5
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __atomic_compare_exchange_1@plt
; RV32I-NEXT: lb a3, 15(sp)
; RV32I-NEXT: lbu a3, 15(sp)
; RV32I-NEXT: bnez a0, .LBB54_4
; RV32I-NEXT: .LBB54_2: # %atomicrmw.start
; RV32I-NEXT: # =>This Inner Loop Header: Depth=1
Expand Down Expand Up @@ -4735,7 +4735,7 @@ define i8 @atomicrmw_umin_i8_seq_cst(ptr %a, i8 %b) nounwind {
; RV64I-NEXT: li a4, 5
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __atomic_compare_exchange_1@plt
; RV64I-NEXT: lb a3, 15(sp)
; RV64I-NEXT: lbu a3, 15(sp)
; RV64I-NEXT: bnez a0, .LBB54_4
; RV64I-NEXT: .LBB54_2: # %atomicrmw.start
; RV64I-NEXT: # =>This Inner Loop Header: Depth=1
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