| ; RUN: llc -march=arm64 < %s | FileCheck %s |
| ; rdar://10232252 |
| |
| @object = external hidden global i64, section "__DATA, __objc_ivar", align 8 |
| |
| ; base + offset (imm9) |
| ; CHECK: @t1 |
| ; CHECK: ldr xzr, [x{{[0-9]+}}, #8] |
| ; CHECK: ret |
| define void @t1() { |
| %incdec.ptr = getelementptr inbounds i64* @object, i64 1 |
| %tmp = load volatile i64* %incdec.ptr, align 8 |
| ret void |
| } |
| |
| ; base + offset (> imm9) |
| ; CHECK: @t2 |
| ; CHECK: sub [[ADDREG:x[0-9]+]], x{{[0-9]+}}, #264 |
| ; CHECK: ldr xzr, [ |
| ; CHECK: [[ADDREG]]] |
| ; CHECK: ret |
| define void @t2() { |
| %incdec.ptr = getelementptr inbounds i64* @object, i64 -33 |
| %tmp = load volatile i64* %incdec.ptr, align 8 |
| ret void |
| } |
| |
| ; base + unsigned offset (> imm9 and <= imm12 * size of type in bytes) |
| ; CHECK: @t3 |
| ; CHECK: ldr xzr, [x{{[0-9]+}}, #32760] |
| ; CHECK: ret |
| define void @t3() { |
| %incdec.ptr = getelementptr inbounds i64* @object, i64 4095 |
| %tmp = load volatile i64* %incdec.ptr, align 8 |
| ret void |
| } |
| |
| ; base + unsigned offset (> imm12 * size of type in bytes) |
| ; CHECK: @t4 |
| ; CHECK: add [[ADDREG:x[0-9]+]], x{{[0-9]+}}, #8, lsl #12 |
| ; CHECK: ldr xzr, [ |
| ; CHECK: [[ADDREG]]] |
| ; CHECK: ret |
| define void @t4() { |
| %incdec.ptr = getelementptr inbounds i64* @object, i64 4096 |
| %tmp = load volatile i64* %incdec.ptr, align 8 |
| ret void |
| } |
| |
| ; base + reg |
| ; CHECK: @t5 |
| ; CHECK: ldr xzr, [x{{[0-9]+}}, x{{[0-9]+}}, lsl #3] |
| ; CHECK: ret |
| define void @t5(i64 %a) { |
| %incdec.ptr = getelementptr inbounds i64* @object, i64 %a |
| %tmp = load volatile i64* %incdec.ptr, align 8 |
| ret void |
| } |
| |
| ; base + reg + imm |
| ; CHECK: @t6 |
| ; CHECK: add [[ADDREG:x[0-9]+]], x{{[0-9]+}}, x{{[0-9]+}}, lsl #3 |
| ; CHECK-NEXT: add [[ADDREG]], [[ADDREG]], #8, lsl #12 |
| ; CHECK: ldr xzr, [ |
| ; CHECK: [[ADDREG]]] |
| ; CHECK: ret |
| define void @t6(i64 %a) { |
| %tmp1 = getelementptr inbounds i64* @object, i64 %a |
| %incdec.ptr = getelementptr inbounds i64* %tmp1, i64 4096 |
| %tmp = load volatile i64* %incdec.ptr, align 8 |
| ret void |
| } |