Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / clang / test / CodeGen / RISCV / rvv-intrinsics-handcrafted / vget-vset-ice.cpp
blob46d815ab5ac38dbb83fce74c26e72f0bf2243c42
1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
2 // REQUIRES: riscv-registered-target
3 // RUN: %clang_cc1 -triple riscv64 -target-feature +f -target-feature +d \
4 // RUN: -target-feature +v -target-feature +zfh -target-feature +zvfh \
5 // RUN: -disable-O0-optnone -emit-llvm %s -o - | opt -S -passes=mem2reg | FileCheck --check-prefix=CHECK-RV64 %s
7 #include <riscv_vector.h>
9 // Use constexpr function to make sure we correctly evaluate it as a constant
10 // when emitting IR for the vget/vset builtins.
11 constexpr int foo() { return 1; }
13 // CHECK-RV64-LABEL: @_Z21test_vget_v_i8m2_i8m1u14__rvv_int8m2_t
14 // CHECK-RV64-NEXT: entry:
15 // CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 8 x i8> @llvm.vector.extract.nxv8i8.nxv16i8(<vscale x 16 x i8> [[SRC:%.*]], i64 8)
16 // CHECK-RV64-NEXT: ret <vscale x 8 x i8> [[TMP0]]
18 vint8m1_t test_vget_v_i8m2_i8m1(vint8m2_t src) {
19 return __riscv_vget_v_i8m2_i8m1(src, foo());
22 // CHECK-RV64-LABEL: @_Z21test_vset_v_i8m1_i8m2u14__rvv_int8m2_tu14__rvv_int8m1_t
23 // CHECK-RV64-NEXT: entry:
24 // CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 16 x i8> @llvm.vector.insert.nxv16i8.nxv8i8(<vscale x 16 x i8> [[DEST:%.*]], <vscale x 8 x i8> [[VAL:%.*]], i64 8)
25 // CHECK-RV64-NEXT: ret <vscale x 16 x i8> [[TMP0]]
27 vint8m2_t test_vset_v_i8m1_i8m2(vint8m2_t dest, vint8m1_t val) {
28 return __riscv_vset_v_i8m1_i8m2(dest, foo(), val);