; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 ; RUN: llc < %s -mtriple=riscv32 -target-abi=ilp32f -mattr=+zfa \ ; RUN: | FileCheck %s --check-prefix=RV32 ; RUN: llc < %s -mtriple=riscv64 -target-abi=lp64f -mattr=+zfa \ ; RUN: | FileCheck %s --check-prefix=RV64 ; The purpose of this test is to check that an FLI instruction that ; materializes an immediate is not MachineLICM'd out of a loop. %struct.Node = type { ptr, i8* } define void @process_nodes(ptr %0) nounwind { ; RV32-LABEL: process_nodes: ; RV32: # %bb.0: # %entry ; RV32-NEXT: beqz a0, .LBB0_4 ; RV32-NEXT: # %bb.1: # %loop.preheader ; RV32-NEXT: addi sp, sp, -16 ; RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32-NEXT: mv s0, a0 ; RV32-NEXT: .LBB0_2: # %loop ; RV32-NEXT: # =>This Inner Loop Header: Depth=1 ; RV32-NEXT: fli.s fa0, 1.0 ; RV32-NEXT: mv a0, s0 ; RV32-NEXT: call do_it ; RV32-NEXT: lw s0, 0(s0) ; RV32-NEXT: bnez s0, .LBB0_2 ; RV32-NEXT: # %bb.3: ; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32-NEXT: addi sp, sp, 16 ; RV32-NEXT: .LBB0_4: # %exit ; RV32-NEXT: ret ; ; RV64-LABEL: process_nodes: ; RV64: # %bb.0: # %entry ; RV64-NEXT: beqz a0, .LBB0_4 ; RV64-NEXT: # %bb.1: # %loop.preheader ; RV64-NEXT: addi sp, sp, -16 ; RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill ; RV64-NEXT: sd s0, 0(sp) # 8-byte Folded Spill ; RV64-NEXT: mv s0, a0 ; RV64-NEXT: .LBB0_2: # %loop ; RV64-NEXT: # =>This Inner Loop Header: Depth=1 ; RV64-NEXT: fli.s fa0, 1.0 ; RV64-NEXT: mv a0, s0 ; RV64-NEXT: call do_it ; RV64-NEXT: ld s0, 0(s0) ; RV64-NEXT: bnez s0, .LBB0_2 ; RV64-NEXT: # %bb.3: ; RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload ; RV64-NEXT: ld s0, 0(sp) # 8-byte Folded Reload ; RV64-NEXT: addi sp, sp, 16 ; RV64-NEXT: .LBB0_4: # %exit ; RV64-NEXT: ret entry: %1 = icmp eq ptr %0, null br i1 %1, label %exit, label %loop loop: %2 = phi %struct.Node* [ %4, %loop ], [ %0, %entry ] tail call void @do_it(float 1.000000e+00, ptr nonnull %2) %3 = getelementptr inbounds %struct.Node, ptr %2, i64 0, i32 0 %4 = load ptr, ptr %3, align 8 %5 = icmp eq ptr %4, null br i1 %5, label %exit, label %loop exit: ret void } declare void @do_it(float, ptr)