Long double, part 1 of N. Support in IR.

llvm-svn: 40774

1 files changed, 26 insertions, 0 deletions

diff --git a/llvm/test/Feature/x86ld.ll b/llvm/test/Feature/x86ld.ll
new file mode 100644
index 00000000000..690400346e3
--- /dev/null
+++ b/llvm/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
+}