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Re-add SystemZ SNaN test

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The floating-point bug affecting ninja-x64-msvc-RA-centos6 is fixed (r277813) so this test should
now pass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278034 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Elliot Colp 2016-08-08 18:11:13 +00:00
parent 32217d6ae4
commit c97b57bee4
1 changed files with 15 additions and 0 deletions
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15
test/CodeGen/SystemZ/fp-const-10.ll Normal file
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@ -0,0 +1,15 @@
; Test loads of SNaN.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test that we don't do an FP extending load, as this would result in a
; converstion to QNaN.
define double @f1() {
; CHECK-LABEL: .LCPI0_0
; CHECK: .quad 9219994337134247936
; CHECK-LABEL: f1:
; CHECK: larl %r1, .LCPI0_0
; CHECK-NOT: ldeb %f0, 0(%r1)
; CHECK: ld %f0, 0(%r1)
ret double 0x7FF4000000000000
}