1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/2009-08-07-CoalescerBug.ll b/test/CodeGen/Thumb2/2009-08-07-CoalescerBug.ll
new file mode 100644
index 0000000..93f5a0f
--- /dev/null
+++ b/test/CodeGen/Thumb2/2009-08-07-CoalescerBug.ll
@@ -0,0 +1,16 @@
+; RUN: llc < %s -mtriple=armv7-eabi -mattr=+vfp2
+; PR4686
+
+	%a = type { i32 (...)** }
+	%b = type { %a }
+	%c = type { float, float, float, float }
+
+declare arm_aapcs_vfpcc float @bar(%c*)
+
+define arm_aapcs_vfpcc void @foo(%b* %x, %c* %y) {
+entry:
+	%0 = call arm_aapcs_vfpcc  float @bar(%c* %y)		; <float> [#uses=0]
+	%1 = fadd float undef, undef		; <float> [#uses=1]
+	store float %1, float* undef, align 8
+	ret void
+}