Add test case for [Stackmaps][X86TTI] Fix think-o in getIntImmCost calculation (r204738).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205464 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/ConstantHoisting/X86/stackmap.ll b/test/Transforms/ConstantHoisting/X86/stackmap.ll
new file mode 100644 (file)
index 0000000..cef022e
--- /dev/null
+++ b/test/Transforms/ConstantHoisting/X86/stackmap.ll
@@ -0,0 +1,17 @@
+; RUN: opt -S -consthoist < %s | FileCheck %s
+
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.9.0"
+
+; Test if the 3rd argument of a stackmap is hoisted.
+define i128 @test1(i128 %a) {
+; CHECK-LABEL:  @test1
+; CHECK:        %const = bitcast i128 13464618275673403322 to i128
+; CHECK:        tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 1, i32 24, i128 %const)
+entry:
+  %0 = add i128 %a, 13464618275673403322
+  tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 1, i32 24, i128 13464618275673403322)
+  ret i128 %0
+}
+
+declare void @llvm.experimental.stackmap(i64, i32, ...)