diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/smlad1.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/smlad1.ll | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/ARM/smlad1.ll b/llvm/test/CodeGen/ARM/smlad1.ll index dc3fa8b8e75..5a504ec1b37 100644 --- a/llvm/test/CodeGen/ARM/smlad1.ll +++ b/llvm/test/CodeGen/ARM/smlad1.ll @@ -1,5 +1,6 @@ ; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -parallel-dsp -S | FileCheck %s +; CHECK-LABEL: @test1 ; CHECK: %mac1{{\.}}026 = phi i32 [ [[V8:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ] ; CHECK: [[V4:%[0-9]+]] = bitcast i16* %arrayidx3 to i32* ; CHECK: [[V5:%[0-9]+]] = load i32, i32* [[V4]], align 2 @@ -7,7 +8,7 @@ ; CHECK: [[V7:%[0-9]+]] = load i32, i32* [[V6]], align 2 ; CHECK: [[V8]] = call i32 @llvm.arm.smlad(i32 [[V5]], i32 [[V7]], i32 %mac1{{\.}}026) -define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) { +define dso_local i32 @test1(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) { entry: %cmp24 = icmp sgt i32 %arg, 0 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup @@ -48,3 +49,47 @@ for.body: br i1 %exitcond, label %for.body, label %for.cond.cleanup } +; Here we have i8 loads, which we do want to support, but don't handle yet. +; +; CHECK-LABEL: @test2 +; CHECK-NOT: call i32 @llvm.arm.smlad +; +define dso_local i32 @test2(i32 %arg, i32* nocapture readnone %arg1, i8* nocapture readonly %arg2, i8* nocapture readonly %arg3) { +entry: + %cmp24 = icmp sgt i32 %arg, 0 + br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup + +for.body.preheader: + %.pre = load i8, i8* %arg3, align 2 + %.pre27 = load i8, i8* %arg2, align 2 + br label %for.body + +for.cond.cleanup: + %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ] + ret i32 %mac1.0.lcssa + +for.body: + %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ] + %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] + %arrayidx = getelementptr inbounds i8, i8* %arg3, i32 %i.025 + %0 = load i8, i8* %arrayidx, align 2 + %add = add nuw nsw i32 %i.025, 1 + %arrayidx1 = getelementptr inbounds i8, i8* %arg3, i32 %add + %1 = load i8, i8* %arrayidx1, align 2 + %arrayidx3 = getelementptr inbounds i8, i8* %arg2, i32 %i.025 + %2 = load i8, i8* %arrayidx3, align 2 + %conv = sext i8 %2 to i32 + %conv4 = sext i8 %0 to i32 + %mul = mul nsw i32 %conv, %conv4 + %arrayidx6 = getelementptr inbounds i8, i8* %arg2, i32 %add + %3 = load i8, i8* %arrayidx6, align 2 + %conv7 = sext i8 %3 to i32 + %conv8 = sext i8 %1 to i32 + %mul9 = mul nsw i32 %conv7, %conv8 + %add10 = add i32 %mul, %mac1.026 + %add11 = add i32 %add10, %mul9 + %exitcond = icmp ne i32 %add, %arg + br i1 %exitcond, label %for.body, label %for.cond.cleanup +} + + |
