vendor/llvm/llvm-trunk-r161861

1 files changed, 18 insertions, 0 deletions

diff --git a/test/CodeGen/Hexagon/fsub.ll b/test/CodeGen/Hexagon/fsub.ll
new file mode 100644
index 000000000000..07c866f4c2e2
--- /dev/null
+++ b/test/CodeGen/Hexagon/fsub.ll
@@ -0,0 +1,18 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv5  < %s | FileCheck %s
+; Check that we generate sp floating point subtract in V5.
+
+; CHECK: r{{[0-9]+}} = sfsub(r{{[0-9]+}}, r{{[0-9]+}})
+
+define i32 @main() nounwind {
+entry:
+  %a = alloca float, align 4
+  %b = alloca float, align 4
+  %c = alloca float, align 4
+  store float 0x402ECCCCC0000000, float* %a, align 4
+  store float 0x4022333340000000, float* %b, align 4
+  %0 = load float* %b, align 4
+  %1 = load float* %a, align 4
+  %sub = fsub float %0, %1
+  store float %sub, float* %c, align 4
+  ret i32 0
+}