diff options
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFastISel.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/ARM/fast-isel-vaddd.ll | 33 |
2 files changed, 37 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp index dfd8dc5cc2c..97995d31db8 100644 --- a/llvm/lib/Target/ARM/ARMFastISel.cpp +++ b/llvm/lib/Target/ARM/ARMFastISel.cpp @@ -1794,6 +1794,10 @@ bool ARMFastISel::SelectBinaryFPOp(const Instruction *I, unsigned ISDOpcode) { if (!FPVT.isSimple()) return false; MVT VT = FPVT.getSimpleVT(); + // FIXME: Support vector types where possible. + if (VT.isVector()) + return false; + // We can get here in the case when we want to use NEON for our fp // operations, but can't figure out how to. Just use the vfp instructions // if we have them. diff --git a/llvm/test/CodeGen/ARM/fast-isel-vaddd.ll b/llvm/test/CodeGen/ARM/fast-isel-vaddd.ll new file mode 100644 index 00000000000..2aa269a9774 --- /dev/null +++ b/llvm/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) |
