; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ;RUN: llc < %s -mtriple=riscv64 -mattr=+f -mcpu=sifive-u74 -target-abi=lp64f \ ;RUN: | FileCheck %s --check-prefix=NOFUSION ;RUN: llc < %s -mtriple=riscv64 -mattr=+f,+lui-addi-fusion -mcpu=sifive-u74 \ ;RUN: -target-abi=lp64f | FileCheck %s --check-prefix=FUSION ;RUN: llc < %s -mtriple=riscv64 -mattr=+f,+lui-addi-fusion,+use-postra-scheduler -mcpu=sifive-u74 \ ;RUN: -target-abi=lp64f | FileCheck %s --check-prefixes=FUSION-POSTRA @.str = private constant [4 x i8] c"%f\0A\00", align 1 define void @foo(i32 signext %0, i32 signext %1) { ; NOFUSION-LABEL: foo: ; NOFUSION: # %bb.0: ; NOFUSION-NEXT: lui a0, %hi(.L.str) ; NOFUSION-NEXT: fcvt.s.w fa0, a1 ; NOFUSION-NEXT: addi a0, a0, %lo(.L.str) ; NOFUSION-NEXT: tail bar ; ; FUSION-LABEL: foo: ; FUSION: # %bb.0: ; FUSION-NEXT: fcvt.s.w fa0, a1 ; FUSION-NEXT: lui a0, %hi(.L.str) ; FUSION-NEXT: addi a0, a0, %lo(.L.str) ; FUSION-NEXT: tail bar ; ; FUSION-POSTRA-LABEL: foo: ; FUSION-POSTRA: # %bb.0: ; FUSION-POSTRA-NEXT: fcvt.s.w fa0, a1 ; FUSION-POSTRA-NEXT: lui a0, %hi(.L.str) ; FUSION-POSTRA-NEXT: addi a0, a0, %lo(.L.str) ; FUSION-POSTRA-NEXT: tail bar %3 = sitofp i32 %1 to float tail call void @bar(ptr @.str, float %3) ret void } declare void @bar(ptr, float) ; Test that we prefer lui+addiw over li+slli. define i32 @test_matint() { ; NOFUSION-LABEL: test_matint: ; NOFUSION: # %bb.0: ; NOFUSION-NEXT: li a0, 1 ; NOFUSION-NEXT: slli a0, a0, 11 ; NOFUSION-NEXT: ret ; ; FUSION-LABEL: test_matint: ; FUSION: # %bb.0: ; FUSION-NEXT: lui a0, 1 ; FUSION-NEXT: addiw a0, a0, -2048 ; FUSION-NEXT: ret ; ; FUSION-POSTRA-LABEL: test_matint: ; FUSION-POSTRA: # %bb.0: ; FUSION-POSTRA-NEXT: lui a0, 1 ; FUSION-POSTRA-NEXT: addiw a0, a0, -2048 ; FUSION-POSTRA-NEXT: ret ret i32 2048 }