| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s |
| |
| ; Checks that the stores aren't eliminated by the DAG combiner, because the address |
| ; spaces are different. In X86, we're checking this for the non-zero address space :fs. |
| ; The test's 'same' and 'diff' notation depicts whether the pointer value is the same |
| ; or different. |
| |
| define i32 @copy_fs_same() { |
| ; CHECK-LABEL: copy_fs_same: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movl 1, %eax |
| ; CHECK-NEXT: movl %eax, %fs:1 |
| ; CHECK-NEXT: retl |
| entry: |
| %0 = load i32, i32* inttoptr (i64 1 to i32*), align 4 |
| store i32 %0, i32 addrspace(257)* inttoptr (i64 1 to i32 addrspace(257)*), align 4 |
| ret i32 %0 |
| } |
| |
| define i32 @copy_fs_diff() { |
| ; CHECK-LABEL: copy_fs_diff: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movl 1, %eax |
| ; CHECK-NEXT: movl %eax, %fs:2 |
| ; CHECK-NEXT: retl |
| entry: |
| %0 = load i32, i32* inttoptr (i64 1 to i32*), align 4 |
| store i32 %0, i32 addrspace(257)* inttoptr (i64 2 to i32 addrspace(257)*), align 4 |
| ret i32 %0 |
| } |
| |
| define void @output_fs_same(i32 %v) { |
| ; CHECK-LABEL: output_fs_same: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: movl %eax, 1 |
| ; CHECK-NEXT: movl %eax, %fs:1 |
| ; CHECK-NEXT: retl |
| entry: |
| store i32 %v, i32* inttoptr (i64 1 to i32*), align 4 |
| store i32 %v, i32 addrspace(257)* inttoptr (i64 1 to i32 addrspace(257)*), align 4 |
| ret void |
| } |
| |
| define void @output_fs_diff(i32 %v) { |
| ; CHECK-LABEL: output_fs_diff: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: movl %eax, 1 |
| ; CHECK-NEXT: movl %eax, %fs:2 |
| ; CHECK-NEXT: retl |
| entry: |
| store i32 %v, i32* inttoptr (i64 1 to i32*), align 4 |
| store i32 %v, i32 addrspace(257)* inttoptr (i64 2 to i32 addrspace(257)*), align 4 |
| ret void |
| } |
| |
| define void @output_indexed_fs_same(i32 %v, i32* %b) { |
| ; CHECK-LABEL: output_indexed_fs_same: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; CHECK-NEXT: movl %eax, 168(%ecx) |
| ; CHECK-NEXT: movl %eax, %fs:168(%ecx) |
| ; CHECK-NEXT: retl |
| %p = getelementptr i32, i32* %b, i64 42 |
| %pa = addrspacecast i32* %p to i32 addrspace(257)* |
| store i32 %v, i32* %p, align 4 |
| store i32 %v, i32 addrspace(257)* %pa, align 4 |
| ret void |
| } |
| |
| define void @output_indexed_fs_diff(i32 %v, i32* %b) { |
| ; CHECK-LABEL: output_indexed_fs_diff: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; CHECK-NEXT: movl %eax, 168(%ecx) |
| ; CHECK-NEXT: movl %eax, %fs:184(%ecx) |
| ; CHECK-NEXT: retl |
| %p = getelementptr i32, i32* %b, i64 42 |
| %pa = addrspacecast i32* %p to i32 addrspace(257)* |
| %pad = getelementptr i32, i32 addrspace(257)* %pa, i64 4 |
| store i32 %v, i32* %p, align 4 |
| store i32 %v, i32 addrspace(257)* %pad, align 4 |
| ret void |
| } |