From 619f455dee067988458988fbdedfe761bc364f13 Mon Sep 17 00:00:00 2001 From: Anton Sidorenko Date: Wed, 30 Nov 2022 16:57:20 +0300 Subject: [PATCH] [RISCV] Precommit test for D140024 Simple test to check converson of repeated fp divisors. --- llvm/test/CodeGen/RISCV/repeated-fp-divisors.ll | 48 +++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 llvm/test/CodeGen/RISCV/repeated-fp-divisors.ll diff --git a/llvm/test/CodeGen/RISCV/repeated-fp-divisors.ll b/llvm/test/CodeGen/RISCV/repeated-fp-divisors.ll new file mode 100644 index 0000000..1627ec8 --- /dev/null +++ b/llvm/test/CodeGen/RISCV/repeated-fp-divisors.ll @@ -0,0 +1,48 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s | FileCheck %s + +define void @single_fdiv(double %a0, double %a1, ptr %res) { +; CHECK-LABEL: single_fdiv: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: fdiv.d ft0, fa1, fa0 +; CHECK-NEXT: fsd ft0, 0(a0) +; CHECK-NEXT: ret +entry: + %div = fdiv arcp double %a1, %a0 + store double %div, ptr %res + ret void +} + +define void @two_fdivs(double %a0, double %a1, double %a2, ptr %res) { +; CHECK-LABEL: two_fdivs: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: fdiv.d ft0, fa1, fa0 +; CHECK-NEXT: fdiv.d ft1, fa2, fa0 +; CHECK-NEXT: fsd ft0, 0(a0) +; CHECK-NEXT: fsd ft1, 8(a0) +; CHECK-NEXT: ret +entry: + %div = fdiv arcp double %a1, %a0 + %div1 = fdiv arcp double %a2, %a0 + store double %div, ptr %res + %arrayidx2 = getelementptr inbounds double, ptr %res, i64 1 + store double %div1, ptr %arrayidx2 + ret void +} + +define void @no_arcp(double %a0, double %a1, double %a2, ptr %res) { +; CHECK-LABEL: no_arcp: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: fdiv.d ft0, fa1, fa0 +; CHECK-NEXT: fdiv.d ft1, fa2, fa0 +; CHECK-NEXT: fsd ft0, 0(a0) +; CHECK-NEXT: fsd ft1, 8(a0) +; CHECK-NEXT: ret +entry: + %div = fdiv arcp double %a1, %a0 + %div1 = fdiv double %a2, %a0 + store double %div, ptr %res + %arrayidx2 = getelementptr inbounds double, ptr %res, i64 1 + store double %div1, ptr %arrayidx2 + ret void +} -- 2.7.4