vendor/llvm/llvm-trunk-r238337

1 files changed, 33 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/fast-isel-vaddd.ll b/test/CodeGen/ARM/fast-isel-vaddd.ll
new file mode 100644
index 000000000000..2aa269a9774d
--- /dev/null
+++ b/test/CodeGen/ARM/fast-isel-vaddd.ll
@@ -0,0 +1,33 @@
+; RUN: llc %s -o - -verify-machineinstrs -fast-isel=true -mattr=+vfp4 -mattr=+neon | FileCheck %s
+
+target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
+target triple = "thumbv7s-apple-ios8.0.0"
+
+%union.DV = type { <2 x double> }
+
+; Fast-ISel was incorrectly trying to codegen <2 x double> adds and returning only a single vadds
+; Check that we generate the 2 vaddd's we expect
+
+; CHECK: vadd.f64
+; CHECK: vadd.f64
+
+define i32 @main(i32 %argc, i8** nocapture readnone %Argv, <2 x double> %tmp31) {
+bb:
+  %Ad = alloca %union.DV, align 16
+  %tmp32 = getelementptr inbounds %union.DV, %union.DV* %Ad, i32 0, i32 0
+  %tmp33 = fadd <2 x double> %tmp31, %tmp31
+  br label %bb37
+
+bb37:                                             ; preds = %bb37, %bb
+  %i.02 = phi i32 [ 0, %bb ], [ %tmp38, %bb37 ]
+  store <2 x double> %tmp33, <2 x double>* %tmp32, align 16
+  %tmp38 = add nuw nsw i32 %i.02, 1
+  %exitcond = icmp eq i32 %tmp38, 500000
+  br i1 %exitcond, label %bb39, label %bb37
+
+bb39:                                             ; preds = %bb37
+  call fastcc void @printDV(%union.DV* %Ad)
+  ret i32 0
+}
+
+declare hidden fastcc void @printDV(%union.DV* nocapture readonly)