From 30de1de14449fdaf03606058cd0ae68091e541b0 Mon Sep 17 00:00:00 2001 From: Chris Dewhurst Date: Tue, 1 Nov 2016 14:23:37 +0000 Subject: [PATCH] [Sparc][LEON] Test for FixFDIVSQRT erratum fix. Note: Test is per differential review, but the other changed code in the review was for an optimisation that din't quite work. Nevertheless, the test is valid for the unoptimised version of the fix. Differential Review: https://reviews.llvm.org/D24658 llvm-svn: 285692 --- .../test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100755 llvm/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll diff --git a/llvm/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll b/llvm/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll new file mode 100755 index 0000000..c79414d --- /dev/null +++ b/llvm/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll @@ -0,0 +1,59 @@ +; RUN: llc %s -O0 -march=sparc -mcpu=leon3 -mattr=+fixallfdivsqrt -o - | FileCheck %s +; RUN: llc %s -O0 -march=sparc -mcpu=ut699 -o - | FileCheck %s + +; CHECK-LABEL: test_1 +; CHECK: nop +; CHECK: nop +; CHECK: fdivd +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +define double @test_1(double* byval %a, double* byval %b) { +entry: + %0 = load double, double* %a, align 8 + %1 = load double, double* %b, align 8 + %res = fdiv double %0, %1 + ret double %res +} + +declare double @llvm.sqrt.f64(double) nounwind readonly + +; CHECK-LABEL: test_2 +; CHECK: nop +; CHECK: nop +; CHECK: nop +; CHECK: nop +; CHECK: nop +; CHECK: fsqrtd +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +; CHECK-NEXT: nop +define double @test_2(double* byval %a) { +entry: + %0 = load double, double* %a, align 8 + %1 = call double @llvm.sqrt.f64(double %0) nounwind + ret double %1 +} + -- 2.7.4