From 1fd63df6930a83d9d1378d2c68e19850c652078e Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Tue, 10 Apr 2012 08:22:43 +0000 Subject: Express the number of ULPs in fpaccuracy metadata as a real rather than a rational number, eg as 2.5 rather than 5, 2. OK'd by Peter Collingbourne. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154387 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Verifier/fpaccuracy.ll | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 test/Verifier/fpaccuracy.ll (limited to 'test') diff --git a/test/Verifier/fpaccuracy.ll b/test/Verifier/fpaccuracy.ll new file mode 100644 index 0000000..2fefde0 --- /dev/null +++ b/test/Verifier/fpaccuracy.ll @@ -0,0 +1,31 @@ +; RUN: not llvm-as < %s |& FileCheck %s + +define void @foo(i32 %i, float %f, <2 x float> %g) { + %s = add i32 %i, %i, !fpaccuracy !0 +; CHECK: fpaccuracy requires a floating point result! + %t = fadd float %f, %f, !fpaccuracy !1 +; CHECK: fpaccuracy takes one operand! + %u = fadd float %f, %f, !fpaccuracy !2 +; CHECK: fpaccuracy takes one operand! + %v = fadd float %f, %f, !fpaccuracy !3 +; CHECK: fpaccuracy ULPs not a floating point number! + %w = fadd float %f, %f, !fpaccuracy !0 +; Above line is correct. + %w2 = fadd <2 x float> %g, %g, !fpaccuracy !0 +; Above line is correct. + %x = fadd float %f, %f, !fpaccuracy !4 +; CHECK: fpaccuracy ULPs is negative! + %y = fadd float %f, %f, !fpaccuracy !5 +; CHECK: fpaccuracy ULPs is negative! + %z = fadd float %f, %f, !fpaccuracy !6 +; CHECK: fpaccuracy ULPs not a normal number! + ret void +} + +!0 = metadata !{ float 1.0 } +!1 = metadata !{ } +!2 = metadata !{ float 1.0, float 1.0 } +!3 = metadata !{ i32 1 } +!4 = metadata !{ float -1.0 } +!5 = metadata !{ float -0.0 } +!6 = metadata !{ float 0x7FFFFFFF00000000 } -- cgit v1.1