Be more precise about which conversions of NaNs

[oota-llvm.git] / test / CodeGen / X86 / 2008-10-06-x87ld-nan-2.ll

diff --git a/test/CodeGen/X86/2008-10-06-x87ld-nan-2.ll b/test/CodeGen/X86/2008-10-06-x87ld-nan-2.ll
new file mode 100644 (file)
index 0000000..d2e9b45
--- /dev/null
+++ b/test/CodeGen/X86/2008-10-06-x87ld-nan-2.ll
@@ -0,0 +1,18 @@
+; ModuleID = 'nan.bc'
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-f80:32:32-v64:64:64-v128:128:128-a0:0:64"
+target triple = "i686-apple-darwin8"
+; RUN: llvm-as < %s | llc -march=x86 -mattr=-sse2,-sse3,-sse | grep fldt | count 3
+; it is not safe to shorten any of these NaNs.
+
+declare x86_stdcallcc void @_D3nan5printFeZv(x86_fp80 %f)
+
+@_D3nan4rvale = global x86_fp80 0xK7FFF8001234000000000   ; <x86_fp80*> [#uses=1]
+
+define i32 @main() {
+entry_nan.main:
+  %tmp = load x86_fp80* @_D3nan4rvale   ; <x86_fp80> [#uses=1]
+  call x86_stdcallcc void @_D3nan5printFeZv(x86_fp80 %tmp)
+  call x86_stdcallcc void @_D3nan5printFeZv(x86_fp80 0xK7FFF8001234000000000)
+  call x86_stdcallcc void @_D3nan5printFeZv(x86_fp80 0xK7FFFC001234000000400)
+  ret i32 0
+}