; RUN: llc < %s -mtriple=thumbv7-apple-ios7.0.0 -float-abi=hard -mcpu=cortex-a9 -misched-postra -enable-misched -pre-RA-sched=source -scheditins=false | FileCheck %s
;
; Test MI-Sched suppory latency based stalls on in in-order pipeline
; using the new machine model.
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
; Don't be too strict with the top of the schedule, but most of it
; should be nicely pipelined.
;
; CHECK: saxpy10:
; CHECK: vldr
; CHECK: vldr
; CHECK: vldr
; CHECK: vldr
; CHECK: vldr
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vmul
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vmov
; CHECK-NEXT: bx
;
; This accumulates a sum rather than storing each result.
define float @saxpy10(ptr nocapture readonly %data1, ptr nocapture readonly %data2, float %a) {
entry:
%0 = load float, ptr %data1, align 4
%mul = fmul float %0, %a
%1 = load float, ptr %data2, align 4
%add = fadd float %mul, %1
%add2 = fadd float %add, 0.000000e+00
%arrayidx.1 = getelementptr inbounds float, ptr %data1, i32 1
%2 = load float, ptr %arrayidx.1, align 4
%mul.1 = fmul float %2, %a
%arrayidx1.1 = getelementptr inbounds float, ptr %data2, i32 1
%3 = load float, ptr %arrayidx1.1, align 4
%add.1 = fadd float %mul.1, %3
%add2.1 = fadd float %add2, %add.1
%arrayidx.2 = getelementptr inbounds float, ptr %data1, i32 2
%4 = load float, ptr %arrayidx.2, align 4
%mul.2 = fmul float %4, %a
%arrayidx1.2 = getelementptr inbounds float, ptr %data2, i32 2
%5 = load float, ptr %arrayidx1.2, align 4
%add.2 = fadd float %mul.2, %5
%add2.2 = fadd float %add2.1, %add.2
%arrayidx.3 = getelementptr inbounds float, ptr %data1, i32 3
%6 = load float, ptr %arrayidx.3, align 4
%mul.3 = fmul float %6, %a
%arrayidx1.3 = getelementptr inbounds float, ptr %data2, i32 3
%7 = load float, ptr %arrayidx1.3, align 4
%add.3 = fadd float %mul.3, %7
%add2.3 = fadd float %add2.2, %add.3
%arrayidx.4 = getelementptr inbounds float, ptr %data1, i32 4
%8 = load float, ptr %arrayidx.4, align 4
%mul.4 = fmul float %8, %a
%arrayidx1.4 = getelementptr inbounds float, ptr %data2, i32 4
%9 = load float, ptr %arrayidx1.4, align 4
%add.4 = fadd float %mul.4, %9
%add2.4 = fadd float %add2.3, %add.4
%arrayidx.5 = getelementptr inbounds float, ptr %data1, i32 5
%10 = load float, ptr %arrayidx.5, align 4
%mul.5 = fmul float %10, %a
%arrayidx1.5 = getelementptr inbounds float, ptr %data2, i32 5
%11 = load float, ptr %arrayidx1.5, align 4
%add.5 = fadd float %mul.5, %11
%add2.5 = fadd float %add2.4, %add.5
%arrayidx.6 = getelementptr inbounds float, ptr %data1, i32 6
%12 = load float, ptr %arrayidx.6, align 4
%mul.6 = fmul float %12, %a
%arrayidx1.6 = getelementptr inbounds float, ptr %data2, i32 6
%13 = load float, ptr %arrayidx1.6, align 4
%add.6 = fadd float %mul.6, %13
%add2.6 = fadd float %add2.5, %add.6
%arrayidx.7 = getelementptr inbounds float, ptr %data1, i32 7
%14 = load float, ptr %arrayidx.7, align 4
%mul.7 = fmul float %14, %a
%arrayidx1.7 = getelementptr inbounds float, ptr %data2, i32 7
%15 = load float, ptr %arrayidx1.7, align 4
%add.7 = fadd float %mul.7, %15
%add2.7 = fadd float %add2.6, %add.7
%arrayidx.8 = getelementptr inbounds float, ptr %data1, i32 8
%16 = load float, ptr %arrayidx.8, align 4
%mul.8 = fmul float %16, %a
%arrayidx1.8 = getelementptr inbounds float, ptr %data2, i32 8
%17 = load float, ptr %arrayidx1.8, align 4
%add.8 = fadd float %mul.8, %17
%add2.8 = fadd float %add2.7, %add.8
%arrayidx.9 = getelementptr inbounds float, ptr %data1, i32 9
%18 = load float, ptr %arrayidx.9, align 4
%mul.9 = fmul float %18, %a
%arrayidx1.9 = getelementptr inbounds float, ptr %data2, i32 9
%19 = load float, ptr %arrayidx1.9, align 4
%add.9 = fadd float %mul.9, %19
%add2.9 = fadd float %add2.8, %add.9
ret float %add2.9
}
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