| ; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s |
| |
| define i64 @_f0(ptr %p) { |
| ; CHECK: f0: |
| ; CHECK: ldur x0, [x0, #-8] |
| ; CHECK-NEXT: ret |
| %tmp = getelementptr inbounds i64, ptr %p, i64 -1 |
| %ret = load i64, ptr %tmp, align 2 |
| ret i64 %ret |
| } |
| define i32 @_f1(ptr %p) { |
| ; CHECK: f1: |
| ; CHECK: ldur w0, [x0, #-4] |
| ; CHECK-NEXT: ret |
| %tmp = getelementptr inbounds i32, ptr %p, i64 -1 |
| %ret = load i32, ptr %tmp, align 2 |
| ret i32 %ret |
| } |
| define i16 @_f2(ptr %p) { |
| ; CHECK: f2: |
| ; CHECK: ldurh w0, [x0, #-2] |
| ; CHECK-NEXT: ret |
| %tmp = getelementptr inbounds i16, ptr %p, i64 -1 |
| %ret = load i16, ptr %tmp, align 2 |
| ret i16 %ret |
| } |
| define i8 @_f3(ptr %p) { |
| ; CHECK: f3: |
| ; CHECK: ldurb w0, [x0, #-1] |
| ; CHECK-NEXT: ret |
| %tmp = getelementptr inbounds i8, ptr %p, i64 -1 |
| %ret = load i8, ptr %tmp, align 2 |
| ret i8 %ret |
| } |
| |
| define i64 @zext32(ptr %a) nounwind ssp { |
| ; CHECK-LABEL: zext32: |
| ; CHECK: ldur w0, [x0, #-12] |
| ; CHECK-NEXT: ret |
| %p = getelementptr inbounds i8, ptr %a, i64 -12 |
| %tmp2 = load i32, ptr %p, align 4 |
| %ret = zext i32 %tmp2 to i64 |
| |
| ret i64 %ret |
| } |
| define i64 @zext16(ptr %a) nounwind ssp { |
| ; CHECK-LABEL: zext16: |
| ; CHECK: ldurh w0, [x0, #-12] |
| ; CHECK-NEXT: ret |
| %p = getelementptr inbounds i8, ptr %a, i64 -12 |
| %tmp2 = load i16, ptr %p, align 2 |
| %ret = zext i16 %tmp2 to i64 |
| |
| ret i64 %ret |
| } |
| define i64 @zext8(ptr %a) nounwind ssp { |
| ; CHECK-LABEL: zext8: |
| ; CHECK: ldurb w0, [x0, #-12] |
| ; CHECK-NEXT: ret |
| %p = getelementptr inbounds i8, ptr %a, i64 -12 |
| %tmp2 = load i8, ptr %p, align 1 |
| %ret = zext i8 %tmp2 to i64 |
| |
| ret i64 %ret |
| } |