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[RISCV][GISel] Add tests for SDAG fallback for vector tuples. NFC #162164

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Merged
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Oct 6, 2025
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[RISCV][GISel] Add tests for SDAG fallback for vector tuples. NFC #162164

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22 changes: 22 additions & 0 deletions llvm/test/CodeGen/RISCV/GlobalISel/rvv/fallback-rv32.ll
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Original file line number Diff line number Diff line change
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -global-isel -global-isel-abort=2 \
; RUN: -pass-remarks-missed='gisel*' -mattr=+zve64d,+f,+d,+zvfh,+zvfbfmin \
; RUN: %s -o %t.out 2> %t.err
; RUN: FileCheck %s --check-prefix=FALLBACK-WITH-REPORT-OUT < %t.out
; RUN: FileCheck %s --check-prefix=FALLBACK-WITH-REPORT-ERR < %t.err

; FALLBACK-WITH-REPORT-ERR: remark: <unknown>:0:0: unable to translate instruction: call
; FALLBACK-WITH-REPORT-OUT-LABEL: test_vlseg2_nxv1i8_triscv.vector.tuple_nxv1i8_2t
define target("riscv.vector.tuple", <vscale x 1 x i8>, 2) @test_vlseg2_nxv1i8_triscv.vector.tuple_nxv1i8_2t(ptr %base, i32 %vl) {
entry:
%0 = tail call target("riscv.vector.tuple", <vscale x 1 x i8>, 2) @llvm.riscv.vlseg2.triscv.vector.tuple_nxv1i8_2t(target("riscv.vector.tuple", <vscale x 1 x i8>, 2) poison, ptr %base, i32 %vl, i32 3)
ret target("riscv.vector.tuple", <vscale x 1 x i8>, 2) %0
}

; FALLBACK-WITH-REPORT-ERR: remark: <unknown>:0:0: unable to lower arguments
; FALLBACK-WITH-REPORT-OUT-LABEL: test_vsseg2_nxv1i8_triscv.vector.tuple_nxv1i8_2t
define void @test_vsseg2_nxv1i8_triscv.vector.tuple_nxv1i8_2t(target("riscv.vector.tuple", <vscale x 1 x i8>, 2) %val, ptr %base, i32 %vl) {
entry:
tail call void @llvm.riscv.vsseg2.triscv.vector.tuple_nxv1i8_2t(target("riscv.vector.tuple", <vscale x 1 x i8>, 2) %val, ptr %base, i32 %vl, i32 3)
ret void
}
22 changes: 22 additions & 0 deletions llvm/test/CodeGen/RISCV/GlobalISel/rvv/fallback-rv64.ll
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -global-isel -global-isel-abort=2 \
; RUN: -pass-remarks-missed='gisel*' -mattr=+zve64d,+f,+d,+zvfh,+zvfbfmin \
; RUN: %s -o %t.out 2> %t.err
; RUN: FileCheck %s --check-prefix=FALLBACK-WITH-REPORT-OUT < %t.out
; RUN: FileCheck %s --check-prefix=FALLBACK-WITH-REPORT-ERR < %t.err

; FALLBACK-WITH-REPORT-ERR: remark: <unknown>:0:0: unable to translate instruction: call
; FALLBACK-WITH-REPORT-OUT-LABEL: test_vlseg2_nxv1i8_triscv.vector.tuple_nxv1i8_2t
define target("riscv.vector.tuple", <vscale x 1 x i8>, 2) @test_vlseg2_nxv1i8_triscv.vector.tuple_nxv1i8_2t(ptr %base, i64 %vl) {
entry:
%0 = tail call target("riscv.vector.tuple", <vscale x 1 x i8>, 2) @llvm.riscv.vlseg2.triscv.vector.tuple_nxv1i8_2t(target("riscv.vector.tuple", <vscale x 1 x i8>, 2) poison, ptr %base, i64 %vl, i64 3)
ret target("riscv.vector.tuple", <vscale x 1 x i8>, 2) %0
}

; FALLBACK-WITH-REPORT-ERR: remark: <unknown>:0:0: unable to lower arguments
; FALLBACK-WITH-REPORT-OUT-LABEL: test_vsseg2_nxv1i8_triscv.vector.tuple_nxv1i8_2t
define void @test_vsseg2_nxv1i8_triscv.vector.tuple_nxv1i8_2t(target("riscv.vector.tuple", <vscale x 1 x i8>, 2) %val, ptr %base, i64 %vl) {
entry:
tail call void @llvm.riscv.vsseg2.triscv.vector.tuple_nxv1i8_2t(target("riscv.vector.tuple", <vscale x 1 x i8>, 2) %val, ptr %base, i64 %vl, i64 3)
ret void
}