llvm/test/Verifier/fpmath.ll
Matt Arsenault 1d88d3b08d Verifier: Reject non-float !fpmath
Code already assumes this is float. getFPAccuracy()
crashes on any other type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273912 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-27 19:43:15 +00:00

35 lines
1.0 KiB
LLVM

; RUN: not llvm-as < %s 2>&1 | FileCheck %s
define void @fpmath1(i32 %i, float %f, <2 x float> %g) {
%s = add i32 %i, %i, !fpmath !0
; CHECK: fpmath requires a floating point result!
%t = fadd float %f, %f, !fpmath !1
; CHECK: fpmath takes one operand!
%u = fadd float %f, %f, !fpmath !2
; CHECK: fpmath takes one operand!
%v = fadd float %f, %f, !fpmath !3
; CHECK: invalid fpmath accuracy!
%w = fadd float %f, %f, !fpmath !0
; Above line is correct.
%w2 = fadd <2 x float> %g, %g, !fpmath !0
; Above line is correct.
%x = fadd float %f, %f, !fpmath !4
; CHECK: fpmath accuracy not a positive number!
%y = fadd float %f, %f, !fpmath !5
; CHECK: fpmath accuracy not a positive number!
%z = fadd float %f, %f, !fpmath !6
; CHECK: fpmath accuracy not a positive number!
%double.fpmath = fadd float %f, %f, !fpmath !7
; CHECK: fpmath accuracy must have float type
ret void
}
!0 = !{ float 1.0 }
!1 = !{ }
!2 = !{ float 1.0, float 1.0 }
!3 = !{ i32 1 }
!4 = !{ float -1.0 }
!5 = !{ float 0.0 }
!6 = !{ float 0x7FFFFFFF00000000 }
!7 = !{ double 1.0 }