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-rw-r--r--lib/Target/PowerPC/PPCISelLowering.cpp3
-rw-r--r--test/CodeGen/PowerPC/unal-altivec2.ll166
2 files changed, 168 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index ae046f0b7a..83bd1abdde 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -7177,7 +7177,8 @@ SDValue PPCTargetLowering::PerformDAGCombine(SDNode *N,
unsigned ABIAlignment = getDataLayout()->getABITypeAlignment(Ty);
if (ISD::isNON_EXTLoad(N) && VT.isVector() &&
TM.getSubtarget<PPCSubtarget>().hasAltivec() &&
- DCI.getDAGCombineLevel() == AfterLegalizeTypes &&
+ (VT == MVT::v16i8 || VT == MVT::v8i16 ||
+ VT == MVT::v4i32 || VT == MVT::v4f32) &&
LD->getAlignment() < ABIAlignment) {
// This is a type-legal unaligned Altivec load.
SDValue Chain = LD->getChain();
diff --git a/test/CodeGen/PowerPC/unal-altivec2.ll b/test/CodeGen/PowerPC/unal-altivec2.ll
new file mode 100644
index 0000000000..7464675470
--- /dev/null
+++ b/test/CodeGen/PowerPC/unal-altivec2.ll
@@ -0,0 +1,166 @@
+; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 < %s | FileCheck %s
+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-f128:128:128-v128:128:128-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+; Function Attrs: nounwind
+define void @foo(float* noalias nocapture %x, float* noalias nocapture readonly %y) #0 {
+entry:
+ br label %vector.body
+
+vector.body: ; preds = %vector.body, %entry
+; CHECK-LABEL: @foo
+; CHECK: lvsl
+; CHECK: blr
+ %index = phi i64 [ 0, %entry ], [ %index.next.15, %vector.body ]
+ %0 = getelementptr inbounds float* %y, i64 %index
+ %1 = bitcast float* %0 to <4 x float>*
+ %wide.load = load <4 x float>* %1, align 4
+ %2 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load)
+ %3 = getelementptr inbounds float* %x, i64 %index
+ %4 = bitcast float* %3 to <4 x float>*
+ store <4 x float> %2, <4 x float>* %4, align 4
+ %index.next = add i64 %index, 4
+ %5 = getelementptr inbounds float* %y, i64 %index.next
+ %6 = bitcast float* %5 to <4 x float>*
+ %wide.load.1 = load <4 x float>* %6, align 4
+ %7 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.1)
+ %8 = getelementptr inbounds float* %x, i64 %index.next
+ %9 = bitcast float* %8 to <4 x float>*
+ store <4 x float> %7, <4 x float>* %9, align 4
+ %index.next.1 = add i64 %index.next, 4
+ %10 = getelementptr inbounds float* %y, i64 %index.next.1
+ %11 = bitcast float* %10 to <4 x float>*
+ %wide.load.2 = load <4 x float>* %11, align 4
+ %12 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.2)
+ %13 = getelementptr inbounds float* %x, i64 %index.next.1
+ %14 = bitcast float* %13 to <4 x float>*
+ store <4 x float> %12, <4 x float>* %14, align 4
+ %index.next.2 = add i64 %index.next.1, 4
+ %15 = getelementptr inbounds float* %y, i64 %index.next.2
+ %16 = bitcast float* %15 to <4 x float>*
+ %wide.load.3 = load <4 x float>* %16, align 4
+ %17 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.3)
+ %18 = getelementptr inbounds float* %x, i64 %index.next.2
+ %19 = bitcast float* %18 to <4 x float>*
+ store <4 x float> %17, <4 x float>* %19, align 4
+ %index.next.3 = add i64 %index.next.2, 4
+ %20 = getelementptr inbounds float* %y, i64 %index.next.3
+ %21 = bitcast float* %20 to <4 x float>*
+ %wide.load.4 = load <4 x float>* %21, align 4
+ %22 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.4)
+ %23 = getelementptr inbounds float* %x, i64 %index.next.3
+ %24 = bitcast float* %23 to <4 x float>*
+ store <4 x float> %22, <4 x float>* %24, align 4
+ %index.next.4 = add i64 %index.next.3, 4
+ %25 = getelementptr inbounds float* %y, i64 %index.next.4
+ %26 = bitcast float* %25 to <4 x float>*
+ %wide.load.5 = load <4 x float>* %26, align 4
+ %27 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.5)
+ %28 = getelementptr inbounds float* %x, i64 %index.next.4
+ %29 = bitcast float* %28 to <4 x float>*
+ store <4 x float> %27, <4 x float>* %29, align 4
+ %index.next.5 = add i64 %index.next.4, 4
+ %30 = getelementptr inbounds float* %y, i64 %index.next.5
+ %31 = bitcast float* %30 to <4 x float>*
+ %wide.load.6 = load <4 x float>* %31, align 4
+ %32 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.6)
+ %33 = getelementptr inbounds float* %x, i64 %index.next.5
+ %34 = bitcast float* %33 to <4 x float>*
+ store <4 x float> %32, <4 x float>* %34, align 4
+ %index.next.6 = add i64 %index.next.5, 4
+ %35 = getelementptr inbounds float* %y, i64 %index.next.6
+ %36 = bitcast float* %35 to <4 x float>*
+ %wide.load.7 = load <4 x float>* %36, align 4
+ %37 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.7)
+ %38 = getelementptr inbounds float* %x, i64 %index.next.6
+ %39 = bitcast float* %38 to <4 x float>*
+ store <4 x float> %37, <4 x float>* %39, align 4
+ %index.next.7 = add i64 %index.next.6, 4
+ %40 = getelementptr inbounds float* %y, i64 %index.next.7
+ %41 = bitcast float* %40 to <4 x float>*
+ %wide.load.8 = load <4 x float>* %41, align 4
+ %42 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.8)
+ %43 = getelementptr inbounds float* %x, i64 %index.next.7
+ %44 = bitcast float* %43 to <4 x float>*
+ store <4 x float> %42, <4 x float>* %44, align 4
+ %index.next.8 = add i64 %index.next.7, 4
+ %45 = getelementptr inbounds float* %y, i64 %index.next.8
+ %46 = bitcast float* %45 to <4 x float>*
+ %wide.load.9 = load <4 x float>* %46, align 4
+ %47 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.9)
+ %48 = getelementptr inbounds float* %x, i64 %index.next.8
+ %49 = bitcast float* %48 to <4 x float>*
+ store <4 x float> %47, <4 x float>* %49, align 4
+ %index.next.9 = add i64 %index.next.8, 4
+ %50 = getelementptr inbounds float* %y, i64 %index.next.9
+ %51 = bitcast float* %50 to <4 x float>*
+ %wide.load.10 = load <4 x float>* %51, align 4
+ %52 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.10)
+ %53 = getelementptr inbounds float* %x, i64 %index.next.9
+ %54 = bitcast float* %53 to <4 x float>*
+ store <4 x float> %52, <4 x float>* %54, align 4
+ %index.next.10 = add i64 %index.next.9, 4
+ %55 = getelementptr inbounds float* %y, i64 %index.next.10
+ %56 = bitcast float* %55 to <4 x float>*
+ %wide.load.11 = load <4 x float>* %56, align 4
+ %57 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.11)
+ %58 = getelementptr inbounds float* %x, i64 %index.next.10
+ %59 = bitcast float* %58 to <4 x float>*
+ store <4 x float> %57, <4 x float>* %59, align 4
+ %index.next.11 = add i64 %index.next.10, 4
+ %60 = getelementptr inbounds float* %y, i64 %index.next.11
+ %61 = bitcast float* %60 to <4 x float>*
+ %wide.load.12 = load <4 x float>* %61, align 4
+ %62 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.12)
+ %63 = getelementptr inbounds float* %x, i64 %index.next.11
+ %64 = bitcast float* %63 to <4 x float>*
+ store <4 x float> %62, <4 x float>* %64, align 4
+ %index.next.12 = add i64 %index.next.11, 4
+ %65 = getelementptr inbounds float* %y, i64 %index.next.12
+ %66 = bitcast float* %65 to <4 x float>*
+ %wide.load.13 = load <4 x float>* %66, align 4
+ %67 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.13)
+ %68 = getelementptr inbounds float* %x, i64 %index.next.12
+ %69 = bitcast float* %68 to <4 x float>*
+ store <4 x float> %67, <4 x float>* %69, align 4
+ %index.next.13 = add i64 %index.next.12, 4
+ %70 = getelementptr inbounds float* %y, i64 %index.next.13
+ %71 = bitcast float* %70 to <4 x float>*
+ %wide.load.14 = load <4 x float>* %71, align 4
+ %72 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.14)
+ %73 = getelementptr inbounds float* %x, i64 %index.next.13
+ %74 = bitcast float* %73 to <4 x float>*
+ store <4 x float> %72, <4 x float>* %74, align 4
+ %index.next.14 = add i64 %index.next.13, 4
+ %75 = getelementptr inbounds float* %y, i64 %index.next.14
+ %76 = bitcast float* %75 to <4 x float>*
+ %wide.load.15 = load <4 x float>* %76, align 4
+ %77 = call <4 x float> @llvm_cos_v4f32(<4 x float> %wide.load.15)
+ %78 = getelementptr inbounds float* %x, i64 %index.next.14
+ %79 = bitcast float* %78 to <4 x float>*
+ store <4 x float> %77, <4 x float>* %79, align 4
+ %index.next.15 = add i64 %index.next.14, 4
+ %80 = icmp eq i64 %index.next.15, 2048
+ br i1 %80, label %for.end, label %vector.body
+
+for.end: ; preds = %vector.body
+ ret void
+}
+
+; Function Attrs: nounwind readonly
+declare <4 x float> @llvm_cos_v4f32(<4 x float>) #1
+
+define <2 x double> @bar(double* %x) {
+entry:
+ %p = bitcast double* %x to <2 x double>*
+ %r = load <2 x double>* %p, align 8
+
+; CHECK-LABEL: @bar
+; CHECK-NOT: lvsl
+; CHECK: blr
+
+ ret <2 x double> %r
+}
+
+attributes #0 = { nounwind }
+attributes #1 = { nounwind readonly }
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 19:34:49 +0000