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-rw-r--r--test/CodeGen/PowerPC/addi-licm.ll64
1 files changed, 64 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/addi-licm.ll b/test/CodeGen/PowerPC/addi-licm.ll
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+++ b/test/CodeGen/PowerPC/addi-licm.ll
@@ -0,0 +1,64 @@
+; RUN: llc -mcpu=pwr7 -disable-ppc-preinc-prep < %s | FileCheck %s
+; RUN: llc -mcpu=pwr7 < %s | FileCheck %s -check-prefix=PIP
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+; Function Attrs: nounwind
+define double @foo() #1 {
+entry:
+ %x = alloca [2048 x float], align 4
+ %y = alloca [2048 x float], align 4
+ %0 = bitcast [2048 x float]* %x to i8*
+ call void @llvm.lifetime.start(i64 8192, i8* %0) #2
+ %1 = bitcast [2048 x float]* %y to i8*
+ call void @llvm.lifetime.start(i64 8192, i8* %1) #2
+ br label %for.body.i
+
+; CHECK-LABEL: @foo
+; CHECK: addi [[REG1:[0-9]+]], 1,
+; CHECK: addi [[REG2:[0-9]+]], 1,
+; CHECK: %for.body.i
+; CHECK-DAG: lfsx {{[0-9]+}}, [[REG1]],
+; CHECK-DAG: lfsx {{[0-9]+}}, [[REG2]],
+; CHECK: blr
+
+; PIP-LABEL: @foo
+; PIP: addi [[REG1:[0-9]+]], 1,
+; PIP: addi [[REG2:[0-9]+]], 1,
+; PIP: %for.body.i
+; PIP-DAG: lfsu {{[0-9]+}}, 4([[REG1]])
+; PIP-DAG: lfsu {{[0-9]+}}, 4([[REG2]])
+; PIP: blr
+
+for.body.i: ; preds = %for.body.i.preheader, %for.body.i
+ %accumulator.09.i = phi double [ %add.i, %for.body.i ], [ 0.000000e+00, %entry ]
+ %i.08.i = phi i64 [ %inc.i, %for.body.i ], [ 0, %entry ]
+ %arrayidx.i = getelementptr inbounds [2048 x float]* %x, i64 0, i64 %i.08.i
+ %v14 = load float* %arrayidx.i, align 4
+ %conv.i = fpext float %v14 to double
+ %arrayidx1.i = getelementptr inbounds [2048 x float]* %y, i64 0, i64 %i.08.i
+ %v15 = load float* %arrayidx1.i, align 4
+ %conv2.i = fpext float %v15 to double
+ %mul.i = fmul double %conv.i, %conv2.i
+ %add.i = fadd double %accumulator.09.i, %mul.i
+ %inc.i = add nuw nsw i64 %i.08.i, 1
+ %exitcond.i = icmp eq i64 %i.08.i, 2047
+ br i1 %exitcond.i, label %loop.exit, label %for.body.i
+
+loop.exit: ; preds = %for.body.i
+ ret double %accumulator.09.i
+}
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.start(i64, i8* nocapture) #2
+
+declare void @bar(float*, float*)
+
+; Function Attrs: nounwind
+declare void @llvm.lifetime.end(i64, i8* nocapture) #2
+
+attributes #0 = { nounwind readonly }
+attributes #1 = { nounwind }
+attributes #2 = { nounwind }
+
+