xref: /llvm-project/llvm/test/CodeGen/RISCV/rvv/scalable-vector-struct.ll (revision ff9af4c43ad71eeba2cabe99609cfaa0fd54c1d0)
1889a99eeSLuke Lau; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2889a99eeSLuke Lau; RUN: llc -mtriple=riscv32 -mattr=+v -verify-machineinstrs < %s | FileCheck %s
3889a99eeSLuke Lau
4889a99eeSLuke Lau; This demonstrates that we can pass a struct containing scalable vectors across
5889a99eeSLuke Lau; a basic block.
6889a99eeSLuke Lau
7*ff9af4c4SNikita Popovdefine i32 @foo({ {<vscale x 2 x i32>, <vscale x 2 x i32>}, i32 } %x, ptr %y, ptr %z) {
8889a99eeSLuke Lau; CHECK-LABEL: foo:
9889a99eeSLuke Lau; CHECK:       # %bb.0: # %entry
10889a99eeSLuke Lau; CHECK-NEXT:    vs1r.v v8, (a1)
11889a99eeSLuke Lau; CHECK-NEXT:    vs1r.v v9, (a2)
12889a99eeSLuke Lau; CHECK-NEXT:    ret
13889a99eeSLuke Lauentry:
14889a99eeSLuke Lau  br label %return
15889a99eeSLuke Lau
16889a99eeSLuke Laureturn:
17889a99eeSLuke Lau  %a = extractvalue { {<vscale x 2 x i32>, <vscale x 2 x i32>}, i32 } %x, 1
18889a99eeSLuke Lau  %b = extractvalue { {<vscale x 2 x i32>, <vscale x 2 x i32>}, i32 } %x, 0, 0
19889a99eeSLuke Lau  %c = extractvalue { {<vscale x 2 x i32>, <vscale x 2 x i32>}, i32 } %x, 0, 1
20*ff9af4c4SNikita Popov  store <vscale x 2 x i32> %b, ptr %y
21*ff9af4c4SNikita Popov  store <vscale x 2 x i32> %c, ptr %z
22889a99eeSLuke Lau
23889a99eeSLuke Lau  ret i32 %a
24889a99eeSLuke Lau}
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