1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/ldtoc-inv.ll b/test/CodeGen/PowerPC/ldtoc-inv.ll
new file mode 100644
index 0000000..550747c
--- /dev/null
+++ b/test/CodeGen/PowerPC/ldtoc-inv.ll
@@ -0,0 +1,39 @@
+; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+@phasor = external constant [4096 x i32]
+
+; Function Attrs: nounwind
+define void @test(i32* nocapture %out, i32 zeroext %step_size) #0 {
+entry:
+  %shl = shl i32 %step_size, 2
+  %idxprom = zext i32 %shl to i64
+  br label %for.body
+
+; Make sure that the TOC load has been hoisted out of the loop.
+; CHECK-LABEL: @test
+; CHECK: ld {{[0-9]+}}, .LC{{[0-9]+}}@toc@l
+; CHECK: %for.body
+; CHECK: blr
+
+for.body:                                         ; preds = %entry, %for.body
+  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+  %0 = trunc i64 %indvars.iv to i32
+  %shl1 = shl i32 %0, %step_size
+  %idxprom2 = sext i32 %shl1 to i64
+  %arrayidx.sum = add nsw i64 %idxprom2, %idxprom
+  %arrayidx3 = getelementptr inbounds [4096 x i32]* @phasor, i64 0, i64 %arrayidx.sum
+  %1 = load i32* %arrayidx3, align 4
+  %arrayidx5 = getelementptr inbounds i32* %out, i64 %indvars.iv
+  store i32 %1, i32* %arrayidx5, align 4
+  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 4
+  %cmp = icmp slt i64 %indvars.iv.next, 1020
+  br i1 %cmp, label %for.body, label %for.end
+
+for.end:                                          ; preds = %for.body
+  ret void
+}
+
+attributes #0 = { nounwind }
+