1 files changed, 57 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/save-crbp-ppc32svr4.ll b/test/CodeGen/PowerPC/save-crbp-ppc32svr4.ll
new file mode 100644
index 000000000000..b7b3c1ada965
--- /dev/null
+++ b/test/CodeGen/PowerPC/save-crbp-ppc32svr4.ll
@@ -0,0 +1,57 @@
+; RUN: llc -march=ppc32 -relocation-model pic < %s | FileCheck %s
+
+; CHECK-LABEL: fred
+; CHECK: stwux 1, 1, 0
+; Save R31..R29 via R0:
+; CHECK: addic 0, 0, -4
+; CHECK: stwx 31, 0, 0
+; CHECK: addic 0, 0, -4
+; CHECK: stwx 30, 0, 0
+; CHECK: addic 0, 0, -4
+; CHECK: stwx 29, 0, 0
+; Set R29 back to the value of R0 from before the updates:
+; CHECK: addic 29, 0, 12
+; Save CR through R12 using R29 as the stack pointer (aligned base pointer).
+; CHECK: mfcr 12
+; CHECK: stw 28, -16(29)
+; CHECK: stw 12, -20(29)
+
+target datalayout = "E-m:e-p:32:32-i64:64-n32"
+target triple = "powerpc-unknown-freebsd"
+
+; Function Attrs: norecurse readnone sspstrong
+define i64 @fred(double %a0) local_unnamed_addr #0 {
+b1:
+  %v2 = alloca i64, align 128
+  store i64 0, i64* %v2
+  %v3 = fcmp olt double %a0, 0x43E0000000000000
+  br i1 %v3, label %b4, label %b8
+
+b4:                                               ; preds = %b1
+  %v5 = fcmp olt double %a0, 0xC3E0000000000000
+  %v6 = fptosi double %a0 to i64
+  store i64 %v6, i64* %v2
+  %v7 = select i1 %v5, i64 -9223372036854775808, i64 %v6
+  br label %b15
+
+b8:                                               ; preds = %b1
+  %v9 = fcmp olt double %a0, 0x43F0000000000000
+  br i1 %v9, label %b10, label %b12
+
+b10:                                              ; preds = %b8
+  %v11 = fptoui double %a0 to i64
+  br label %b15
+
+b12:                                              ; preds = %b8
+  %v13 = fcmp ogt double %a0, 0.000000e+00
+  %v14 = sext i1 %v13 to i64
+  br label %b15
+
+b15:                                              ; preds = %b12, %b10, %b4
+  %v16 = phi i64 [ %v7, %b4 ], [ %v11, %b10 ], [ %v14, %b12 ]
+  %v17 = load i64, i64* %v2
+  %v18 = add i64 %v17, %v16
+  ret i64 %v18
+}
+
+attributes #0 = { norecurse readnone sspstrong "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "stack-protector-buffer-size"="8" "target-cpu"="ppc" }