Vendor import of llvm trunk r178860:

http://llvm.org/svn/llvm-project/llvm/trunk@178860

1 files changed, 29 insertions, 0 deletions

diff --git a/test/CodeGen/Mips/mips64-libcall.ll b/test/CodeGen/Mips/mips64-libcall.ll
new file mode 100644
index 0000000..d54598b
--- /dev/null
+++ b/test/CodeGen/Mips/mips64-libcall.ll
@@ -0,0 +1,29 @@
+; RUN: llc -march=mips64el -mcpu=mips64r2 -O3 < %s |\
+; RUN: FileCheck %s -check-prefix=HARD
+; RUN: llc -march=mips64el -mcpu=mips64r2 -soft-float < %s |\
+; RUN: FileCheck %s -check-prefix=SOFT
+
+; Check that %add is not passed in an integer register.
+;
+; HARD: callfloor:
+; HARD-NOT: dmfc1 $4
+
+define double @callfloor(double %d) nounwind readnone {
+entry:
+  %add = fadd double %d, 1.000000e+00
+  %call = tail call double @floor(double %add) nounwind readnone
+  ret double %call
+}
+
+declare double @floor(double) nounwind readnone
+
+; Check call16.
+;
+; SOFT: f64add:
+; SOFT: ld $25, %call16(__adddf3)
+
+define double @f64add(double %a, double %b) {
+entry:
+  %add = fadd double %a, %b
+  ret double %add
+}