Revert r344693 ("[ARM] bottom-top mul support in ARMParallelDSP")

Still causing failures on the polly-aosp buildbot; I'll follow up
with a reduced testcase.

llvm-svn: 344752

1 files changed, 0 insertions, 48 deletions

diff --git a/llvm/test/CodeGen/ARM/ParallelDSP/smlad4.ll b/llvm/test/CodeGen/ARM/ParallelDSP/smlad4.ll
deleted file mode 100644
index 20571e3c24a..00000000000
--- a/llvm/test/CodeGen/ARM/ParallelDSP/smlad4.ll
+++ /dev/null
@@ -1,48 +0,0 @@
-; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
-;
-; The loads are not narrow loads: check that the rewrite isn't triggered.
-;
-; CHECK-NOT:  call i32 @llvm.arm.smlad
-;
-; Arg2 is now an i32, while Arg3 is still and i16:
-;
-define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i32* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
-entry:
-  %cmp22 = icmp sgt i32 %arg, 0
-  br i1 %cmp22, label %for.body.preheader, label %for.cond.cleanup
-
-for.body.preheader:
-  %.pre = load i16, i16* %arg3, align 2
-  br label %for.body
-
-for.cond.cleanup:
-  %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add9, %for.body ]
-  ret i32 %mac1.0.lcssa
-
-for.body:
-  %0 = phi i16 [ %1, %for.body ], [ %.pre, %for.body.preheader ]
-  %mac1.024 = phi i32 [ %add9, %for.body ], [ 0, %for.body.preheader ]
-  %i.023 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
-  %add = add nuw nsw i32 %i.023, 1
-  %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
-  %1 = load i16, i16* %arrayidx1, align 2
-  %conv = sext i16 %0 to i32
-
-; This is a 'normal' i32 load to %2:
-  %arrayidx3 = getelementptr inbounds i32, i32* %arg2, i32 %i.023
-  %2 = load i32, i32* %arrayidx3, align 4
-
-; This mul has now 1 operand which is a narrow load, and the other a normal
-; i32 load:
-  %mul = mul nsw i32 %2, %conv
-
-  %add4 = add nuw nsw i32 %i.023, 2
-  %arrayidx5 = getelementptr inbounds i32, i32* %arg2, i32 %add4
-  %3 = load i32, i32* %arrayidx5, align 4
-  %conv6 = sext i16 %1 to i32
-  %mul7 = mul nsw i32 %3, %conv6
-  %add8 = add i32 %mul, %mac1.024
-  %add9 = add i32 %add8, %mul7
-  %exitcond = icmp eq i32 %add, %arg
-  br i1 %exitcond, label %for.cond.cleanup, label %for.body
-}