xref: /llvm-project/llvm/test/Transforms/Inline/byref-align.ll (revision 29441e4f5fa5f5c7709f7cf180815ba97f611297)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
2; RUN: opt -passes=inline -preserve-alignment-assumptions-during-inlining -S < %s | FileCheck %s
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4target triple = "x86_64-unknown-linux-gnu"
5
6; Test behavior of inserted alignment assumptions with byref. There is
7; no implied copy to a higher alignment, so an alignment assume call
8; should be inserted.
9define void @byref_callee(ptr align(128) byref(float) nocapture %a, ptr %b) #0 {
10; CHECK-LABEL: define {{[^@]+}}@byref_callee
11; CHECK-SAME: (ptr byref(float) align 128 captures(none) [[A:%.*]], ptr [[B:%.*]]) #[[ATTR0:[0-9]+]] {
12; CHECK-NEXT:  entry:
13; CHECK-NEXT:    [[LOAD:%.*]] = load float, ptr [[A]], align 4
14; CHECK-NEXT:    [[B_IDX:%.*]] = getelementptr inbounds float, ptr [[B]], i64 8
15; CHECK-NEXT:    [[ADD:%.*]] = fadd float [[LOAD]], 2.000000e+00
16; CHECK-NEXT:    store float [[ADD]], ptr [[B_IDX]], align 4
17; CHECK-NEXT:    ret void
18;
19entry:
20  %load = load float, ptr %a, align 4
21  %b.idx = getelementptr inbounds float, ptr %b, i64 8
22  %add = fadd float %load, 2.0
23  store float %add, ptr %b.idx, align 4
24  ret void
25}
26
27define void @byref_caller(ptr nocapture align 64 %a, ptr %b) #0 {
28; CHECK-LABEL: define {{[^@]+}}@byref_caller
29; CHECK-SAME: (ptr align 64 captures(none) [[A:%.*]], ptr [[B:%.*]]) #[[ATTR0]] {
30; CHECK-NEXT:  entry:
31; CHECK-NEXT:    call void @llvm.assume(i1 true) [ "align"(ptr [[A]], i64 128) ]
32; CHECK-NEXT:    [[LOAD_I:%.*]] = load float, ptr [[A]], align 4
33; CHECK-NEXT:    [[B_IDX_I:%.*]] = getelementptr inbounds float, ptr [[B]], i64 8
34; CHECK-NEXT:    [[ADD_I:%.*]] = fadd float [[LOAD_I]], 2.000000e+00
35; CHECK-NEXT:    store float [[ADD_I]], ptr [[B_IDX_I]], align 4
36; CHECK-NEXT:    [[CALLER_LOAD:%.*]] = load float, ptr [[B]], align 4
37; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[A]], i64 7
38; CHECK-NEXT:    store float [[CALLER_LOAD]], ptr [[ARRAYIDX]], align 4
39; CHECK-NEXT:    ret void
40;
41entry:
42  call void @byref_callee(ptr align(128) byref(float) %a, ptr %b)
43  %caller.load = load float, ptr %b, align 4
44  %arrayidx = getelementptr inbounds float, ptr %a, i64 7
45  store float %caller.load, ptr %arrayidx, align 4
46  ret void
47}
48
49attributes #0 = { nounwind uwtable }
50