Add tests for X86-64 code model handling. Small and kernel for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78300 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/codemodel.ll b/test/CodeGen/X86/codemodel.ll
new file mode 100644 (file)
index 0000000..1038f81
--- /dev/null
+++ b/test/CodeGen/X86/codemodel.ll
@@ -0,0 +1,67 @@
+; RUN: llvm-as < %s | llc -code-model=small  | FileCheck -check-prefix CHECK-SMALL %s
+; RUN: llvm-as < %s | llc -code-model=kernel | FileCheck -check-prefix CHECK-KERNEL %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+target triple = "x86_64-unknown-linux-gnu"
+@data = external global [0 x i32]              ; <[0 x i32]*> [#uses=5]
+
+define i32 @foo() nounwind readonly {
+entry:
+; CHECK-SMALL:  foo:
+; CHECK-SMALL:   movl data, %eax
+; CHECK-KERNEL: foo:
+; CHECK-KERNEL:  movl data, %eax
+       %0 = load i32* getelementptr ([0 x i32]* @data, i64 0, i64 0), align 4          ; <i32> [#uses=1]
+       ret i32 %0
+}
+
+define i32 @foo2() nounwind readonly {
+entry:
+; CHECK-SMALL:  foo2:
+; CHECK-SMALL:   movl data+40, %eax
+; CHECK-KERNEL: foo2:
+; CHECK-KERNEL:  movl data+40, %eax
+       %0 = load i32* getelementptr ([0 x i32]* @data, i32 0, i64 10), align 4         ; <i32> [#uses=1]
+       ret i32 %0
+}
+
+define i32 @foo3() nounwind readonly {
+entry:
+; CHECK-SMALL:  foo3:
+; CHECK-SMALL:   movl data-40, %eax
+; CHECK-KERNEL: foo3:
+; CHECK-KERNEL:  movq $-40, %rax
+       %0 = load i32* getelementptr ([0 x i32]* @data, i32 0, i64 -10), align 4                ; <i32> [#uses=1]
+       ret i32 %0
+}
+
+define i32 @foo4() nounwind readonly {
+entry:
+; FIXME: We really can use movabsl here!
+; CHECK-SMALL:  foo4:
+; CHECK-SMALL:   movl $16777216, %eax
+; CHECK-SMALL:   movl data(%rax), %eax
+; CHECK-KERNEL: foo4:
+; CHECK-KERNEL:  movl data+16777216, %eax
+       %0 = load i32* getelementptr ([0 x i32]* @data, i32 0, i64 4194304), align 4            ; <i32> [#uses=1]
+       ret i32 %0
+}
+
+define i32 @foo1() nounwind readonly {
+entry:
+; CHECK-SMALL:  foo1:
+; CHECK-SMALL:   movl data+16777212, %eax
+; CHECK-KERNEL: foo1:
+; CHECK-KERNEL:  movl data+16777212, %eax
+        %0 = load i32* getelementptr ([0 x i32]* @data, i32 0, i64 4194303), align 4            ; <i32> [#uses=1]
+        ret i32 %0
+}
+define i32 @foo5() nounwind readonly {
+entry:
+; CHECK-SMALL:  foo5:
+; CHECK-SMALL:   movl data-16777216, %eax
+; CHECK-KERNEL: foo5:
+; CHECK-KERNEL:  movq $-16777216, %rax
+       %0 = load i32* getelementptr ([0 x i32]* @data, i32 0, i64 -4194304), align 4           ; <i32> [#uses=1]
+       ret i32 %0
+}