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-rw-r--r--test/CodeGen/PowerPC/save-bp.ll54
1 files changed, 54 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/save-bp.ll b/test/CodeGen/PowerPC/save-bp.ll
new file mode 100644
index 0000000000000..1c7e19a1d5cb3
--- /dev/null
+++ b/test/CodeGen/PowerPC/save-bp.ll
@@ -0,0 +1,54 @@
+; RUN: llc -march=ppc64 -ppc-always-use-base-pointer < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC64
+; RUN: llc -march=ppc32 -ppc-always-use-base-pointer < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC32
+; RUN: llc -march=ppc32 -ppc-always-use-base-pointer -relocation-model pic < %s | FileCheck %s --check-prefix CHECK --check-prefix PPC32PIC
+
+; CHECK-LABEL: fred:
+
+; Check for saving/restoring frame pointer (X31) and base pointer (X30)
+; on ppc64:
+; PPC64: std 31, -8(1)
+; PPC64: std 30, -16(1)
+; PPC64: ld 31, -8(1)
+; PPC64: ld 30, -16(1)
+
+; Check for saving/restoring frame pointer (R31) and base pointer (R30)
+; on ppc32:
+; PPC32: stwux 1, 1, 0
+; PPC32; addic 0, 0, -4
+; PPC32: stwx 31, 0, 0
+; PPC32: addic 0, 0, -4
+; PPC32: stwx 30, 0, 0
+; The restore sequence:
+; PPC32: lwz 31, 0(1)
+; PPC32: addic 30, 0, 8
+; PPC32: lwz 0, -4(31)
+; PPC32: lwz 30, -8(31)
+; PPC32: mr 1, 31
+; PPC32: mr 31, 0
+
+; Check for saving/restoring frame pointer (R31) and base pointer (R29)
+; on ppc32/pic. This is mostly the same as without pic, except that base
+; pointer is in R29.
+; PPC32PIC: stwux 1, 1, 0
+; PPC32PIC; addic 0, 0, -4
+; PPC32PIC: stwx 31, 0, 0
+; PPC32PIC: addic 0, 0, -8
+; PPC32PIC: stwx 29, 0, 0
+; The restore sequence:
+; PPC32PIC: lwz 31, 0(1)
+; PPC32PIC: addic 29, 0, 12
+; PPC32PIC: lwz 0, -4(31)
+; PPC32PIC: lwz 29, -12(31)
+; PPC32PIC: mr 1, 31
+; PPC32PIC: mr 31, 0
+
+
+target datalayout = "E-m:e-p:32:32-i64:64-n32"
+target triple = "powerpc-unknown-freebsd"
+
+define i64 @fred() local_unnamed_addr #0 {
+entry:
+ ret i64 0
+}
+
+attributes #0 = { norecurse readnone nounwind sspstrong "no-frame-pointer-elim"="true" "target-cpu"="ppc" }