It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/Frames-small.ll b/test/CodeGen/PowerPC/Frames-small.ll
new file mode 100644
index 0000000..549083a
--- /dev/null
+++ b/test/CodeGen/PowerPC/Frames-small.ll
@@ -0,0 +1,34 @@
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: llc -march=ppc32 -mtriple=powerpc-apple-darwin8 -o %t1 -f
+; RUN not grep {stw r31, 20(r1)} %t1
+; RUN: grep {stwu r1, -16448(r1)} %t1
+; RUN: grep {addi r1, r1, 16448} %t1
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: not grep {lwz r31, 20(r1)}
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: llc -march=ppc32 -mtriple=powerpc-apple-darwin8 -disable-fp-elim \
+; RUN: -o %t2 -f
+; RUN: grep {stw r31, 20(r1)} %t2
+; RUN: grep {stwu r1, -16448(r1)} %t2
+; RUN: grep {addi r1, r1, 16448} %t2
+; RUN: grep {lwz r31, 20(r1)} %t2
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: llc -march=ppc64 -mtriple=powerpc-apple-darwin8 -o %t3 -f
+; RUN: not grep {std r31, 40(r1)} %t3
+; RUN: grep {stdu r1, -16496(r1)} %t3
+; RUN: grep {addi r1, r1, 16496} %t3
+; RUN: not grep {ld r31, 40(r1)} %t3
+; RUN: llvm-upgrade < %s | llvm-as | \
+; RUN: llc -march=ppc64 -mtriple=powerpc-apple-darwin8 -disable-fp-elim \
+; RUN: -o %t4 -f
+; RUN: grep {std r31, 40(r1)} %t4
+; RUN: grep {stdu r1, -16496(r1)} %t4
+; RUN: grep {addi r1, r1, 16496} %t4
+; RUN: grep {ld r31, 40(r1)} %t4
+
+implementation
+
+int* %f1() {
+ %tmp = alloca int, uint 4095
+ ret int* %tmp
+}