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-rw-r--r--test/CodeGen/SystemZ/2009-08-22-FCopySign.ll22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/2009-08-22-FCopySign.ll b/test/CodeGen/SystemZ/2009-08-22-FCopySign.ll
new file mode 100644
index 0000000..caa8065
--- /dev/null
+++ b/test/CodeGen/SystemZ/2009-08-22-FCopySign.ll
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | llc | FileCheck %s
+
+target datalayout = "E-p:64:64:64-i1:8:8-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:16:16-f128:128:128"
+target triple = "s390x-ibm-linux-gnu"
+
+define double @foo(double %a, double %b) nounwind {
+entry:
+; CHECK: cpsdr %f0, %f2, %f0
+ %0 = tail call double @copysign(double %a, double %b) nounwind readnone
+ ret double %0
+}
+
+define float @bar(float %a, float %b) nounwind {
+entry:
+; CHECK: cpsdr %f0, %f2, %f0
+ %0 = tail call float @copysignf(float %a, float %b) nounwind readnone
+ ret float %0
+}
+
+
+declare double @copysign(double, double) nounwind readnone
+declare float @copysignf(float, float) nounwind readnone