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Diffstat (limited to 'llvm/test/CodeGen/Hexagon/tfr-slotindex.ll')
-rw-r--r-- | llvm/test/CodeGen/Hexagon/tfr-slotindex.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/tfr-slotindex.ll b/llvm/test/CodeGen/Hexagon/tfr-slotindex.ll new file mode 100644 index 0000000..cebba94 --- /dev/null +++ b/llvm/test/CodeGen/Hexagon/tfr-slotindex.ll @@ -0,0 +1,26 @@ +; Check that after tfr-cleanup COPY to $r0 is converted to tfrsi instruction +; The tfrst instruction must use the same slot index as the COPY instruction +; to avoid breaking live interval information. +; Check that there is no machine verifier crash + +; RUN: llc -stop-after=tfr-cleanup -verify-machineinstrs %s -o - | FileCheck %s + +; CHECK: $r0 = A2_tfrsi 34767 + +target 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" +target triple = "hexagon" + +; Function Attrs: nounwind optsize +define dso_local i32 @foo() local_unnamed_addr #0 { +entry: + call void @bar(i32 34767) #1 + call void @baz(i32 34767) #1 + ret i32 15 +} + +declare void @bar(i32) local_unnamed_addr + +declare void @baz(i32) local_unnamed_addr + +attributes #0 = { nounwind optsize "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="hexagonv68" "target-features"="+v68,-long-calls" } +attributes #1 = { noduplicate nomerge nounwind } |