1 ; REQUIRES: arm-registered-target
3 ; RUN: llc -o /dev/null %s -debug-only=legalize-types 2>&1 | FileCheck %s
5 ; This test check that when v4f64 gets broken down to two v2f64 it maintains
8 ; CHECK: Legalizing node: [[VFOUR:t.*]]: v4f64 = BUILD_VECTOR
9 ; CHECK-NEXT: Analyzing result type: v4f64
10 ; CHECK-NEXT: Split node result: [[VFOUR]]: v4f64 = BUILD_VECTOR
12 ; CHECK: Legalizing node: [[VTWOA:t.*]]: v2f64 = BUILD_VECTOR
13 ; CHECK: Legally typed node: [[VTWOA]]: v2f64 = BUILD_VECTOR
14 ; CHECK: Legalizing node: [[VTWOB:t.*]]: v2f64 = BUILD_VECTOR
15 ; CHECK: Legally typed node: [[VTWOB]]: v2f64 = BUILD_VECTOR
16 ; CHECK: Legalizing node: t30: v2f64 = fmaxnum nnan reassoc [[VTWOB]], [[VTWOA]]
18 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
19 target triple = "aarch64--linux-gnu"
22 ; Function Attrs: norecurse nounwind
23 define fastcc double @test(double %a0, double %a1, double %a2, double %a3) unnamed_addr #1 {
25 %0 = insertelement <4 x double> undef, double %a0, i32 0
26 %1 = insertelement <4 x double> %0, double %a1, i32 1
27 %2 = insertelement <4 x double> %1, double %a2, i32 2
28 %3 = insertelement <4 x double> %2, double %a3, i32 3
29 %4 = call nnan reassoc double @llvm.vector.reduce.fmax.v4f64(<4 x double> %3)
33 declare double @llvm.vector.reduce.fmax.v4f64(<4 x double>)