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; 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
}
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