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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

29 lines
1.1 KiB
LLVM

; RUN: llc -mtriple=hexagon < %s | FileCheck %s
; Test that the compiler generates the correct code when sign-extending a
; predicate register when it is converted from one vector predicate type
; to another. In this case, the compiler generates two v4i1 EXTRACT_SUBVECT
; from a v8i1, for the lower and upper parts.
; CHECK: r[[REGH:([0-9]+)]]:[[REGL:([0-9]+)]] = mask(p{{[0-3]}})
; CHECK-DAG: = vsxtbh(r[[REGH]])
; CHECK-DAG: = vsxtbh(r[[REGL]])
target triple = "hexagon"
define void @f0(ptr %a0, ptr %a1) #0 {
b0:
%v0 = load i16, ptr %a0, align 2
%v1 = sext i16 %v0 to i32
%v2 = insertelement <8 x i32> undef, i32 %v1, i32 0
%v3 = shufflevector <8 x i32> %v2, <8 x i32> undef, <8 x i32> zeroinitializer
%v4 = shl <8 x i32> <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>, <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
%v5 = and <8 x i32> %v4, %v3
%v6 = icmp ne <8 x i32> %v5, zeroinitializer
%v7 = zext <8 x i1> %v6 to <8 x i16>
store <8 x i16> %v7, ptr %a1, align 8
ret void
}
attributes #0 = { nounwind optsize "target-cpu"="hexagonv65" "target-features"="+hvx-length64b,+hvxv65,-long-calls" }