1 files changed, 56 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/asym-regclass-copy.ll b/test/CodeGen/PowerPC/asym-regclass-copy.ll
new file mode 100644
index 0000000000..d04a6c98ee
--- /dev/null
+++ b/test/CodeGen/PowerPC/asym-regclass-copy.ll
@@ -0,0 +1,56 @@
+; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7
+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"
+
+; This tests that the GPRC/GPRC_NOR0 intersection subclass relationship with
+; GPRC is handled correctly. When it was not, this test would assert.
+
+@gen_random.last = external unnamed_addr global i64, align 8
+@.str = external unnamed_addr constant [4 x i8], align 1
+
+declare double @gen_random(double) #0
+
+declare void @benchmark_heapsort(i32 signext, double* nocapture) #0
+
+define signext i32 @main(i32 signext %argc, i8** nocapture %argv) #0 {
+entry:
+  br i1 undef, label %cond.true, label %cond.end
+
+cond.true:                                        ; preds = %entry
+  br label %cond.end
+
+cond.end:                                         ; preds = %cond.true, %entry
+  %cond = phi i32 [ 0, %cond.true ], [ 8000000, %entry ]
+  %add = add i32 %cond, 1
+  %conv = sext i32 %add to i64
+  %mul = shl nsw i64 %conv, 3
+  %call1 = tail call noalias i8* @malloc(i64 %mul) #1
+  br i1 undef, label %for.end, label %for.body.lr.ph
+
+for.body.lr.ph:                                   ; preds = %cond.end
+  br label %for.body
+
+for.body:                                         ; preds = %for.body, %for.body.lr.ph
+  %indvars.iv = phi i64 [ 1, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
+  %indvars.iv.next = add i64 %indvars.iv, 1
+  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
+  %exitcond = icmp eq i32 %lftr.wideiv, %add
+  br i1 %exitcond, label %for.cond.for.end_crit_edge, label %for.body
+
+for.cond.for.end_crit_edge:                       ; preds = %for.body
+  br label %for.end
+
+for.end:                                          ; preds = %for.cond.for.end_crit_edge, %cond.end
+  ret i32 0
+}
+
+declare noalias i8* @malloc(i64) #0
+
+declare signext i32 @printf(i8* nocapture, ...) #0
+
+declare void @free(i8* nocapture) #0
+
+declare i64 @strtol(i8*, i8** nocapture, i32 signext) #0
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind }