Long double, part 1 of N. Support in IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40774 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Feature/x86ld.ll b/test/Feature/x86ld.ll
new file mode 100644
index 0000000..6904003
--- /dev/null
+++ b/test/Feature/x86ld.ll
@@ -0,0 +1,26 @@
+; RUN: llvm-as < %s | llvm-dis > %t
+; RUN: llvm-as < %t | llvm-dis > %t2
+; RUN: diff %t %t2
+; ModuleID = '<stdin>'
+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-v64:64:64-v128:128:128-a0:0:64"
+target triple = "i686-apple-darwin8"
+@ld = external global x86_fp80 ; <x86_fp80*> [#uses=1]
+@d = global double 4.050000e+00, align 8 ; <double*> [#uses=1]
+@f = global float 0x4010333340000000 ; <float*> [#uses=1]
+
+define i32 @foo() {
+entry:
+ %retval = alloca i32, align 4 ; <i32*> [#uses=1]
+ %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
+ %tmp = load float* @f ; <float> [#uses=1]
+ %tmp1 = fpext float %tmp to double ; <double> [#uses=1]
+ %tmp2 = load double* @d ; <double> [#uses=1]
+ %tmp3 = mul double %tmp1, %tmp2 ; <double> [#uses=1]
+ %tmp4 = fpext double %tmp3 to x86_fp80 ; <x86_fp80> [#uses=1]
+ store x86_fp80 %tmp4, x86_fp80* @ld
+ br label %return
+
+return: ; preds = %entry
+ %retval4 = load i32* %retval ; <i32> [#uses=1]
+ ret i32 %retval4
+}