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-rw-r--r--test/CodeGen/X86/fltused_function_pointer.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fltused_function_pointer.ll b/test/CodeGen/X86/fltused_function_pointer.ll
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+++ b/test/CodeGen/X86/fltused_function_pointer.ll
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+; The purpose of this test to to verify that the fltused symbol is emitted when
+; any function is called with floating point arguments on Windows. And that it
+; is not emitted otherwise.
+
+; RUN: llc < %s -mtriple i686-pc-win32 | FileCheck %s --check-prefix WIN32
+; RUN: llc < %s -mtriple x86_64-pc-win32 | FileCheck %s --check-prefix WIN64
+; RUN: llc < %s -O0 -mtriple i686-pc-win32 | FileCheck %s --check-prefix WIN32
+; RUN: llc < %s -O0 -mtriple x86_64-pc-win32 | FileCheck %s --check-prefix WIN64
+
+@.str = private constant [4 x i8] c"%f\0A\00"
+
+define i32 @foo(i32 (i8*, ...)* %f) nounwind {
+entry:
+ %call = tail call i32 (i8*, ...)* %f(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), double 1.000000e+000) nounwind
+ ret i32 0
+}
+
+; WIN32: .globl __fltused
+; WIN64: .globl _fltused