File: unaligned-atomic.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (37 lines) | stat: -rw-r--r-- 1,813 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -atomic-expand %s | FileCheck -check-prefix=GCN %s

; FIXME: This should not introduce a libcall, much less one to an
; anonymous function.

define i32 @atomic_load_global_align1(i32 addrspace(1)* %ptr) {
; GCN-LABEL: @atomic_load_global_align1(
; GCN-NEXT:    [[TMP1:%.*]] = bitcast i32 addrspace(1)* [[PTR:%.*]] to i8 addrspace(1)*
; GCN-NEXT:    [[TMP2:%.*]] = addrspacecast i8 addrspace(1)* [[TMP1]] to i8*
; GCN-NEXT:    [[TMP3:%.*]] = alloca i32, align 4
; GCN-NEXT:    [[TMP4:%.*]] = bitcast i32* [[TMP3]] to i8*
; GCN-NEXT:    call void @llvm.lifetime.start.p0i8(i64 4, i8* [[TMP4]])
; GCN-NEXT:    call void @0(i64 4, i8* [[TMP2]], i8* [[TMP4]], i32 5)
; GCN-NEXT:    [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 4
; GCN-NEXT:    call void @llvm.lifetime.end.p0i8(i64 4, i8* [[TMP4]])
; GCN-NEXT:    ret i32 [[TMP5]]
;
  %val = load atomic i32, i32 addrspace(1)* %ptr  seq_cst, align 1
  ret i32 %val
}

define void @atomic_store_global_align1(i32 addrspace(1)* %ptr, i32 %val) {
; GCN-LABEL: @atomic_store_global_align1(
; GCN-NEXT:    [[TMP1:%.*]] = bitcast i32 addrspace(1)* [[PTR:%.*]] to i8 addrspace(1)*
; GCN-NEXT:    [[TMP2:%.*]] = addrspacecast i8 addrspace(1)* [[TMP1]] to i8*
; GCN-NEXT:    [[TMP3:%.*]] = alloca i32, align 4
; GCN-NEXT:    [[TMP4:%.*]] = bitcast i32* [[TMP3]] to i8*
; GCN-NEXT:    call void @llvm.lifetime.start.p0i8(i64 4, i8* [[TMP4]])
; GCN-NEXT:    store i32 [[VAL:%.*]], i32* [[TMP3]], align 4
; GCN-NEXT:    call void @1(i64 4, i8* [[TMP2]], i8* [[TMP4]], i32 0)
; GCN-NEXT:    call void @llvm.lifetime.end.p0i8(i64 4, i8* [[TMP4]])
; GCN-NEXT:    ret void
;
  store atomic i32 %val, i32 addrspace(1)* %ptr monotonic, align 1
  ret void
}