1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s 3 4; Checks that the stores aren't eliminated by the DAG combiner, because the address 5; spaces are different. In X86, we're checking this for the non-zero address space :fs. 6; The test's 'same' and 'diff' notation depicts whether the pointer value is the same 7; or different. 8 9define i32 @copy_fs_same() { 10; CHECK-LABEL: copy_fs_same: 11; CHECK: # %bb.0: # %entry 12; CHECK-NEXT: movl 1, %eax 13; CHECK-NEXT: movl %eax, %fs:1 14; CHECK-NEXT: retl 15entry: 16 %0 = load i32, ptr inttoptr (i64 1 to ptr), align 4 17 store i32 %0, ptr addrspace(257) inttoptr (i64 1 to ptr addrspace(257)), align 4 18 ret i32 %0 19} 20 21define i32 @copy_fs_diff() { 22; CHECK-LABEL: copy_fs_diff: 23; CHECK: # %bb.0: # %entry 24; CHECK-NEXT: movl 1, %eax 25; CHECK-NEXT: movl %eax, %fs:2 26; CHECK-NEXT: retl 27entry: 28 %0 = load i32, ptr inttoptr (i64 1 to ptr), align 4 29 store i32 %0, ptr addrspace(257) inttoptr (i64 2 to ptr addrspace(257)), align 4 30 ret i32 %0 31} 32 33define void @output_fs_same(i32 %v) { 34; CHECK-LABEL: output_fs_same: 35; CHECK: # %bb.0: # %entry 36; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 37; CHECK-NEXT: movl %eax, 1 38; CHECK-NEXT: movl %eax, %fs:1 39; CHECK-NEXT: retl 40entry: 41 store i32 %v, ptr inttoptr (i64 1 to ptr), align 4 42 store i32 %v, ptr addrspace(257) inttoptr (i64 1 to ptr addrspace(257)), align 4 43 ret void 44} 45 46define void @output_fs_diff(i32 %v) { 47; CHECK-LABEL: output_fs_diff: 48; CHECK: # %bb.0: # %entry 49; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 50; CHECK-NEXT: movl %eax, 1 51; CHECK-NEXT: movl %eax, %fs:2 52; CHECK-NEXT: retl 53entry: 54 store i32 %v, ptr inttoptr (i64 1 to ptr), align 4 55 store i32 %v, ptr addrspace(257) inttoptr (i64 2 to ptr addrspace(257)), align 4 56 ret void 57} 58 59define void @output_indexed_fs_same(i32 %v, ptr %b) { 60; CHECK-LABEL: output_indexed_fs_same: 61; CHECK: # %bb.0: 62; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 63; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx 64; CHECK-NEXT: movl %eax, 168(%ecx) 65; CHECK-NEXT: movl %eax, %fs:168(%ecx) 66; CHECK-NEXT: retl 67 %p = getelementptr i32, ptr %b, i64 42 68 %pa = addrspacecast ptr %p to ptr addrspace(257) 69 store i32 %v, ptr %p, align 4 70 store i32 %v, ptr addrspace(257) %pa, align 4 71 ret void 72} 73 74define void @output_indexed_fs_diff(i32 %v, ptr %b) { 75; CHECK-LABEL: output_indexed_fs_diff: 76; CHECK: # %bb.0: 77; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 78; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx 79; CHECK-NEXT: movl %eax, 168(%ecx) 80; CHECK-NEXT: movl %eax, %fs:184(%ecx) 81; CHECK-NEXT: retl 82 %p = getelementptr i32, ptr %b, i64 42 83 %pa = addrspacecast ptr %p to ptr addrspace(257) 84 %pad = getelementptr i32, ptr addrspace(257) %pa, i64 4 85 store i32 %v, ptr %p, align 4 86 store i32 %v, ptr addrspace(257) %pad, align 4 87 ret void 88} 89