vendor/llvm/llvm-release_31-r155985

3 files changed, 134 insertions, 0 deletions

diff --git a/test/Transforms/BBVectorize/no-ldstr-conn.ll b/test/Transforms/BBVectorize/no-ldstr-conn.ll
new file mode 100644
index 0000000000000..ada2a71e36ec2
--- /dev/null
+++ b/test/Transforms/BBVectorize/no-ldstr-conn.ll
@@ -0,0 +1,23 @@
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=2 -instcombine -gvn -S | FileCheck %s
+
+; Make sure that things (specifically getelementptr) are not connected to loads
+; and stores via the address operand (which would be bad because the address
+; is really a scalar even after vectorization)
+define i64 @test2(i64 %a) nounwind uwtable readonly {
+entry:
+  %a1 = inttoptr i64 %a to i64*
+  %a2 = getelementptr i64* %a1, i64 1
+  %a3 = getelementptr i64* %a1, i64 2
+  %v2 = load i64* %a2, align 8
+  %v3 = load i64* %a3, align 8
+  %v2a = add i64 %v2, 5
+  %v3a = add i64 %v3, 7
+  store i64 %v2a, i64* %a2, align 8
+  store i64 %v3a, i64* %a3, align 8
+  %r = add i64 %v2, %v3
+  ret i64 %r
+; CHECK: @test2
+; CHECK-NOT: getelementptr <2 x i64*>
+}
+
diff --git a/test/Transforms/BBVectorize/simple-ldstr-ptrs.ll b/test/Transforms/BBVectorize/simple-ldstr-ptrs.ll
new file mode 100644
index 0000000000000..f992d4154779e
--- /dev/null
+++ b/test/Transforms/BBVectorize/simple-ldstr-ptrs.ll
@@ -0,0 +1,81 @@
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
+; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -bb-vectorize-aligned-only -instcombine -gvn -S | FileCheck %s -check-prefix=CHECK-AO
+
+; Simple 3-pair chain also with loads and stores (using ptrs and gep)
+define double @test1(i64* %a, i64* %b, i64* %c) nounwind uwtable readonly {
+entry:
+  %i0 = load i64* %a, align 8
+  %i1 = load i64* %b, align 8
+  %mul = mul i64 %i0, %i1
+  %arrayidx3 = getelementptr inbounds i64* %a, i64 1
+  %i3 = load i64* %arrayidx3, align 8
+  %arrayidx4 = getelementptr inbounds i64* %b, i64 1
+  %i4 = load i64* %arrayidx4, align 8
+  %mul5 = mul i64 %i3, %i4
+  %ptr = inttoptr i64 %mul to double*
+  %ptr5 = inttoptr i64 %mul5 to double*
+  %aptr = getelementptr inbounds double* %ptr, i64 2
+  %aptr5 = getelementptr inbounds double* %ptr5, i64 3
+  %av = load double* %aptr, align 16
+  %av5 = load double* %aptr5, align 16
+  %r = fmul double %av, %av5
+  store i64 %mul, i64* %c, align 8
+  %arrayidx5 = getelementptr inbounds i64* %c, i64 1
+  store i64 %mul5, i64* %arrayidx5, align 8
+  ret double %r
+; CHECK: @test1
+; CHECK: %i0.v.i0 = bitcast i64* %a to <2 x i64>*
+; CHECK: %i1.v.i0 = bitcast i64* %b to <2 x i64>*
+; CHECK: %i0 = load <2 x i64>* %i0.v.i0, align 8
+; CHECK: %i1 = load <2 x i64>* %i1.v.i0, align 8
+; CHECK: %mul = mul <2 x i64> %i0, %i1
+; CHECK: %ptr = inttoptr <2 x i64> %mul to <2 x double*>
+; CHECK: %aptr = getelementptr inbounds <2 x double*> %ptr, <2 x i64> <i64 2, i64 3>
+; CHECK: %aptr.v.r1 = extractelement <2 x double*> %aptr, i32 0
+; CHECK: %aptr.v.r2 = extractelement <2 x double*> %aptr, i32 1
+; CHECK: %av = load double* %aptr.v.r1, align 16
+; CHECK: %av5 = load double* %aptr.v.r2, align 16
+; CHECK: %r = fmul double %av, %av5
+; CHECK: %0 = bitcast i64* %c to <2 x i64>*
+; CHECK: store <2 x i64> %mul, <2 x i64>* %0, align 8
+; CHECK: ret double %r
+; CHECK-AO: @test1
+; CHECK-AO-NOT: load <2 x
+}
+
+; Simple 3-pair chain with loads and stores (using ptrs and gep)
+define void @test2(i64** %a, i64** %b, i64** %c) nounwind uwtable readonly {
+entry:
+  %i0 = load i64** %a, align 8
+  %i1 = load i64** %b, align 8
+  %arrayidx3 = getelementptr inbounds i64** %a, i64 1
+  %i3 = load i64** %arrayidx3, align 8
+  %arrayidx4 = getelementptr inbounds i64** %b, i64 1
+  %i4 = load i64** %arrayidx4, align 8
+  %o1 = load i64* %i1, align 8
+  %o4 = load i64* %i4, align 8
+  %ptr0 = getelementptr inbounds i64* %i0, i64 %o1
+  %ptr3 = getelementptr inbounds i64* %i3, i64 %o4
+  store i64* %ptr0, i64** %c, align 8
+  %arrayidx5 = getelementptr inbounds i64** %c, i64 1
+  store i64* %ptr3, i64** %arrayidx5, align 8
+  ret void
+; CHECK: @test2
+; CHECK: %i0.v.i0 = bitcast i64** %a to <2 x i64*>*
+; CHECK: %i1 = load i64** %b, align 8
+; CHECK: %i0 = load <2 x i64*>* %i0.v.i0, align 8
+; CHECK: %arrayidx4 = getelementptr inbounds i64** %b, i64 1
+; CHECK: %i4 = load i64** %arrayidx4, align 8
+; CHECK: %o1 = load i64* %i1, align 8
+; CHECK: %o4 = load i64* %i4, align 8
+; CHECK: %ptr0.v.i1.1 = insertelement <2 x i64> undef, i64 %o1, i32 0
+; CHECK: %ptr0.v.i1.2 = insertelement <2 x i64> %ptr0.v.i1.1, i64 %o4, i32 1
+; CHECK: %ptr0 = getelementptr inbounds <2 x i64*> %i0, <2 x i64> %ptr0.v.i1.2
+; CHECK: %0 = bitcast i64** %c to <2 x i64*>*
+; CHECK: store <2 x i64*> %ptr0, <2 x i64*>* %0, align 8
+; CHECK: ret void
+; CHECK-AO: @test2
+; CHECK-AO-NOT: <2 x
+}
+
diff --git a/test/Transforms/BBVectorize/simple-sel.ll b/test/Transforms/BBVectorize/simple-sel.ll
new file mode 100644
index 0000000000000..4daa5714fbd3b
--- /dev/null
+++ b/test/Transforms/BBVectorize/simple-sel.ll
@@ -0,0 +1,30 @@
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
+
+; Basic depth-3 chain with select
+define double @test1(double %A1, double %A2, double %B1, double %B2, i1 %C1, i1 %C2) {
+; CHECK: @test1
+; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
+; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
+; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
+; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
+	%X1 = fsub double %A1, %B1
+	%X2 = fsub double %A2, %B2
+; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
+	%Y1 = fmul double %X1, %A1
+	%Y2 = fmul double %X2, %A2
+; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
+        %Z1 = select i1 %C1, double %Y1, double %B1
+        %Z2 = select i1 %C2, double %Y2, double %B2
+; CHECK: %Z1.v.i0.1 = insertelement <2 x i1> undef, i1 %C1, i32 0
+; CHECK: %Z1.v.i0.2 = insertelement <2 x i1> %Z1.v.i0.1, i1 %C2, i32 1
+; CHECK: %Z1 = select <2 x i1> %Z1.v.i0.2, <2 x double> %Y1, <2 x double> %X1.v.i1.2
+	%R  = fmul double %Z1, %Z2
+; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
+; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
+; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
+	ret double %R
+; CHECK: ret double %R
+}
+
+