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authorRichard Osborne <richard@xmos.com>2011-03-15 15:10:11 +0000
committerRichard Osborne <richard@xmos.com>2011-03-15 15:10:11 +0000
commit8ae8cf4559fc2e22fc0366f38533204718a9a32d (patch)
treec696a1f49ec6626d3253ebfc774e2e1385e5f1b5 /test
parent6704415206343549a58396e57eeeda60238d8eb6 (diff)
On the XCore the scavenging slot should be closest to the SP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127680 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/XCore/scavenging.ll52
1 files changed, 52 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/scavenging.ll b/test/CodeGen/XCore/scavenging.ll
new file mode 100644
index 0000000000..3181e96116
--- /dev/null
+++ b/test/CodeGen/XCore/scavenging.ll
@@ -0,0 +1,52 @@
+; RUN: llc < %s -march=xcore
+@size = global i32 0 ; <i32*> [#uses=1]
+@g0 = external global i32 ; <i32*> [#uses=2]
+@g1 = external global i32 ; <i32*> [#uses=2]
+@g2 = external global i32 ; <i32*> [#uses=2]
+@g3 = external global i32 ; <i32*> [#uses=2]
+@g4 = external global i32 ; <i32*> [#uses=2]
+@g5 = external global i32 ; <i32*> [#uses=2]
+@g6 = external global i32 ; <i32*> [#uses=2]
+@g7 = external global i32 ; <i32*> [#uses=2]
+@g8 = external global i32 ; <i32*> [#uses=2]
+@g9 = external global i32 ; <i32*> [#uses=2]
+@g10 = external global i32 ; <i32*> [#uses=2]
+@g11 = external global i32 ; <i32*> [#uses=2]
+
+define void @f() nounwind {
+entry:
+ %x = alloca [100 x i32], align 4 ; <[100 x i32]*> [#uses=2]
+ %0 = load i32* @size, align 4 ; <i32> [#uses=1]
+ %1 = alloca i32, i32 %0, align 4 ; <i32*> [#uses=1]
+ %2 = volatile load i32* @g0, align 4 ; <i32> [#uses=1]
+ %3 = volatile load i32* @g1, align 4 ; <i32> [#uses=1]
+ %4 = volatile load i32* @g2, align 4 ; <i32> [#uses=1]
+ %5 = volatile load i32* @g3, align 4 ; <i32> [#uses=1]
+ %6 = volatile load i32* @g4, align 4 ; <i32> [#uses=1]
+ %7 = volatile load i32* @g5, align 4 ; <i32> [#uses=1]
+ %8 = volatile load i32* @g6, align 4 ; <i32> [#uses=1]
+ %9 = volatile load i32* @g7, align 4 ; <i32> [#uses=1]
+ %10 = volatile load i32* @g8, align 4 ; <i32> [#uses=1]
+ %11 = volatile load i32* @g9, align 4 ; <i32> [#uses=1]
+ %12 = volatile load i32* @g10, align 4 ; <i32> [#uses=1]
+ %13 = volatile load i32* @g11, align 4 ; <i32> [#uses=2]
+ %14 = getelementptr [100 x i32]* %x, i32 0, i32 50 ; <i32*> [#uses=1]
+ store i32 %13, i32* %14, align 4
+ volatile store i32 %13, i32* @g11, align 4
+ volatile store i32 %12, i32* @g10, align 4
+ volatile store i32 %11, i32* @g9, align 4
+ volatile store i32 %10, i32* @g8, align 4
+ volatile store i32 %9, i32* @g7, align 4
+ volatile store i32 %8, i32* @g6, align 4
+ volatile store i32 %7, i32* @g5, align 4
+ volatile store i32 %6, i32* @g4, align 4
+ volatile store i32 %5, i32* @g3, align 4
+ volatile store i32 %4, i32* @g2, align 4
+ volatile store i32 %3, i32* @g1, align 4
+ volatile store i32 %2, i32* @g0, align 4
+ %x1 = getelementptr [100 x i32]* %x, i32 0, i32 0 ; <i32*> [#uses=1]
+ call void @g(i32* %x1, i32* %1) nounwind
+ ret void
+}
+
+declare void @g(i32*, i32*)