diff options
Diffstat (limited to 'test/CodeGen/X86/huge-stack-offset.ll')
| -rw-r--r-- | test/CodeGen/X86/huge-stack-offset.ll | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/test/CodeGen/X86/huge-stack-offset.ll b/test/CodeGen/X86/huge-stack-offset.ll deleted file mode 100644 index eea389b027ba..000000000000 --- a/test/CodeGen/X86/huge-stack-offset.ll +++ /dev/null @@ -1,59 +0,0 @@ -; RUN: llc < %s -mtriple=x86_64-linux-unknown | FileCheck %s --check-prefix=CHECK-64 -; RUN: llc < %s -mtriple=i386-linux-unknown | FileCheck %s --check-prefix=CHECK-32 - -; Test that a large stack offset uses a single add/sub instruction to -; adjust the stack pointer. - -define void @foo() nounwind { -; CHECK-64-LABEL: foo: -; CHECK-64: movabsq $50000000{{..}}, %rax -; CHECK-64-NEXT: subq %rax, %rsp -; CHECK-64-NOT: subq $2147483647, %rsp -; CHECK-64: movabsq $50000000{{..}}, [[RAX:%r..]] -; CHECK-64-NEXT: addq [[RAX]], %rsp - -; CHECK-32-LABEL: foo: -; CHECK-32: movl $50000000{{..}}, %eax -; CHECK-32-NEXT: subl %eax, %esp -; CHECK-32-NOT: subl $2147483647, %esp -; CHECK-32: movl $50000000{{..}}, [[EAX:%e..]] -; CHECK-32-NEXT: addl [[EAX]], %esp - %1 = alloca [5000000000 x i8], align 16 - %2 = getelementptr inbounds [5000000000 x i8], [5000000000 x i8]* %1, i32 0, i32 0 - call void @bar(i8* %2) - ret void -} - -; Verify that we do not clobber the return value. - -define i32 @foo2() nounwind { -; CHECK-64-LABEL: foo2: -; CHECK-64: movl $10, %eax -; CHECK-64-NOT: movabsq ${{.*}}, %rax - -; CHECK-32-LABEL: foo2: -; CHECK-32: movl $10, %eax -; CHECK-32-NOT: movl ${{.*}}, %eax - %1 = alloca [5000000000 x i8], align 16 - %2 = getelementptr inbounds [5000000000 x i8], [5000000000 x i8]* %1, i32 0, i32 0 - call void @bar(i8* %2) - ret i32 10 -} - -; Verify that we do not clobber EAX when using inreg attribute - -define i32 @foo3(i32 inreg %x) nounwind { -; CHECK-64-LABEL: foo3: -; CHECK-64: movabsq $50000000{{..}}, %rax -; CHECK-64-NEXT: subq %rax, %rsp - -; CHECK-32-LABEL: foo3: -; CHECK-32: subl $2147483647, %esp -; CHECK-32-NOT: movl ${{.*}}, %eax - %1 = alloca [5000000000 x i8], align 16 - %2 = getelementptr inbounds [5000000000 x i8], [5000000000 x i8]* %1, i32 0, i32 0 - call void @bar(i8* %2) - ret i32 %x -} - -declare void @bar(i8*) |
