[PowerPC] Miscellaneous fast-isel test cases.
Here are a few more tests that now pass after the recent fast-isel
commits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189637 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/PowerPC/fast-isel-GEP-coalesce.ll b/test/CodeGen/PowerPC/fast-isel-GEP-coalesce.ll
new file mode 100644
index 0000000..7bdda04
--- /dev/null
+++ b/test/CodeGen/PowerPC/fast-isel-GEP-coalesce.ll
@@ -0,0 +1,48 @@
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=ELF64
+
+%struct.A = type { i32, [2 x [2 x i32]], i8, [3 x [3 x [3 x i32]]] }
+%struct.B = type { i32, [2 x [2 x [2 x %struct.A]]] }
+
+@arr = common global [2 x [2 x [2 x [2 x [2 x i32]]]]] zeroinitializer, align 4
+@A = common global [3 x [3 x %struct.A]] zeroinitializer, align 4
+@B = common global [2 x [2 x [2 x %struct.B]]] zeroinitializer, align 4
+
+define i32* @t1() nounwind {
+entry:
+; ELF64: t1
+ %addr = alloca i32*, align 4
+ store i32* getelementptr inbounds ([2 x [2 x [2 x [2 x [2 x i32]]]]]* @arr, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1), i32** %addr, align 4
+; ELF64: addi {{[0-9]+}}, {{[0-9]+}}, 124
+ %0 = load i32** %addr, align 4
+ ret i32* %0
+}
+
+define i32* @t2() nounwind {
+entry:
+; ELF64: t2
+ %addr = alloca i32*, align 4
+ store i32* getelementptr inbounds ([3 x [3 x %struct.A]]* @A, i32 0, i32 2, i32 2, i32 3, i32 1, i32 2, i32 2), i32** %addr, align 4
+; ELF64: addi {{[0-9]+}}, {{[0-9]+}}, 1148
+ %0 = load i32** %addr, align 4
+ ret i32* %0
+}
+
+define i32* @t3() nounwind {
+entry:
+; ELF64: t3
+ %addr = alloca i32*, align 4
+ store i32* getelementptr inbounds ([3 x [3 x %struct.A]]* @A, i32 0, i32 0, i32 1, i32 1, i32 0, i32 1), i32** %addr, align 4
+; ELF64: addi {{[0-9]+}}, {{[0-9]+}}, 140
+ %0 = load i32** %addr, align 4
+ ret i32* %0
+}
+
+define i32* @t4() nounwind {
+entry:
+; ELF64: t4
+ %addr = alloca i32*, align 4
+ store i32* getelementptr inbounds ([2 x [2 x [2 x %struct.B]]]* @B, i32 0, i32 0, i32 0, i32 1, i32 1, i32 0, i32 0, i32 1, i32 3, i32 1, i32 2, i32 1), i32** %addr, align 4
+; ELF64: addi {{[0-9]+}}, {{[0-9]+}}, 1284
+ %0 = load i32** %addr, align 4
+ ret i32* %0
+}