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-rw-r--r--test/FrontendC/x86-64-red-zone.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/FrontendC/x86-64-red-zone.c b/test/FrontendC/x86-64-red-zone.c
new file mode 100644
index 0000000..e3e3cab
--- /dev/null
+++ b/test/FrontendC/x86-64-red-zone.c
@@ -0,0 +1,11 @@
+// RUN: $llvmgcc -m64 -fomit-frame-pointer -O2 %s -S -o - > %t
+// RUN: not grep subq %t
+// RUN: not grep addq %t
+// RUN: grep {\\-4(%%rsp)} %t | count 2
+// RUN: $llvmgcc -m64 -fomit-frame-pointer -O2 %s -S -o - -mno-red-zone > %t
+// RUN: grep subq %t | count 1
+// RUN: grep addq %t | count 1
+// This is a test for x86-64, add your target below if it FAILs.
+// XFAIL: alpha|ia64|arm|powerpc|sparc|x86
+
+long double f0(float f) { return f; }