1 files changed, 66 insertions, 0 deletions
diff --git a/test/CodeGen/MBlaze/fpu.ll b/test/CodeGen/MBlaze/fpu.ll
new file mode 100644
index 0000000..83f4d83
--- /dev/null
+++ b/test/CodeGen/MBlaze/fpu.ll
@@ -0,0 +1,66 @@
+; Ensure that floating point operations are lowered to function calls when the
+; FPU is not available in the hardware and that function calls are not used
+; when the FPU is available in the hardware.
+;
+; RUN: llc < %s -march=mblaze | FileCheck -check-prefix=FUN %s
+; RUN: llc < %s -march=mblaze -mattr=+fpu | FileCheck -check-prefix=FPU %s
+
+define float @test_add(float %a, float %b) {
+    ; FUN:        test_add:
+    ; FPU:        test_add:
+
+    %tmp.1 = fadd float %a, %b
+    ; FUN-NOT:    fadd
+    ; FUN:        brlid
+    ; FPU-NOT:    brlid
+    ; FPU:        fadd
+
+    ret float %tmp.1
+    ; FUN:        rtsd
+    ; FPU:        rtsd
+}
+
+define float @test_sub(float %a, float %b) {
+    ; FUN:        test_sub:
+    ; FPU:        test_sub:
+
+    %tmp.1 = fsub float %a, %b
+    ; FUN-NOT:    frsub
+    ; FUN:        brlid
+    ; FPU-NOT:    brlid
+    ; FPU:        frsub
+
+    ret float %tmp.1
+    ; FUN:        rtsd
+    ; FPU:        rtsd
+}
+
+define float @test_mul(float %a, float %b) {
+    ; FUN:        test_mul:
+    ; FPU:        test_mul:
+
+    %tmp.1 = fmul float %a, %b
+    ; FUN-NOT:    fmul
+    ; FUN:        brlid
+    ; FPU-NOT:    brlid
+    ; FPU:        fmul
+
+    ret float %tmp.1
+    ; FUN:        rtsd
+    ; FPU:        rtsd
+}
+
+define float @test_div(float %a, float %b) {
+    ; FUN:        test_div:
+    ; FPU:        test_div:
+
+    %tmp.1 = fdiv float %a, %b
+    ; FUN-NOT:    fdiv
+    ; FUN:        brlid
+    ; FPU-NOT:    brlid
+    ; FPU:        fdiv
+
+    ret float %tmp.1
+    ; FUN:        rtsd
+    ; FPU:        rtsd
+}