xref: /llvm-project/llvm/test/CodeGen/Hexagon/tfr-slotindex.ll (revision aaf2d078b62251b867f37eaa94621dbbbfa0e5b0)
1; Check that after tfr-cleanup COPY to $r0 is converted to tfrsi instruction
2; The tfrst instruction must use the same slot index as the COPY instruction
3; to avoid breaking live interval information.
4; Check that there is no machine verifier crash
5
6; RUN: llc -stop-after=tfr-cleanup -verify-machineinstrs %s -o - | FileCheck %s
7
8; CHECK: $r0 = A2_tfrsi 34767
9
10target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
11target triple = "hexagon"
12
13; Function Attrs: nounwind optsize
14define dso_local i32 @foo() local_unnamed_addr #0 {
15entry:
16  call void @bar(i32 34767) #1
17  call void @baz(i32 34767) #1
18  ret i32 15
19}
20
21declare void @bar(i32) local_unnamed_addr
22
23declare void @baz(i32) local_unnamed_addr
24
25attributes #0 = { nounwind optsize "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="hexagonv68" "target-features"="+v68,-long-calls" }
26attributes #1 = { noduplicate nomerge nounwind }
27