[llvm] r285692 - [Sparc][LEON] Test for FixFDIVSQRT erratum fix.

[Chris Dewhurst via llvm-commits]

Author: lerochris
Date: Tue Nov  1 09:23:37 2016
New Revision: 285692

URL: http://llvm.org/viewvc/llvm-project?rev=285692&view=rev
Log:
[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

Added:
    llvm/trunk/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll   (with props)

Added: llvm/trunk/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll?rev=285692&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll (added)
+++ llvm/trunk/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll Tue Nov  1 09:23:37 2016
@@ -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
+}
+

Propchange: llvm/trunk/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll
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    svn:eol-style = native

Propchange: llvm/trunk/test/CodeGen/SPARC/LeonFixAllFDIVSQRTPassUT.ll
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    svn:executable = *