; RUN: llc < %s -mtriple=xcore | FileCheck %s
@size = global i32 0 ; <ptr> [#uses=1]
@g0 = external global i32 ; <ptr> [#uses=2]
@g1 = external global i32 ; <ptr> [#uses=2]
@g2 = external global i32 ; <ptr> [#uses=2]
@g3 = external global i32 ; <ptr> [#uses=2]
@g4 = external global i32 ; <ptr> [#uses=2]
@g5 = external global i32 ; <ptr> [#uses=2]
@g6 = external global i32 ; <ptr> [#uses=2]
@g7 = external global i32 ; <ptr> [#uses=2]
@g8 = external global i32 ; <ptr> [#uses=2]
@g9 = external global i32 ; <ptr> [#uses=2]
@g10 = external global i32 ; <ptr> [#uses=2]
@g11 = external global i32 ; <ptr> [#uses=2]
define void @f() nounwind {
entry:
%x = alloca [100 x i32], align 4 ; <ptr> [#uses=2]
%0 = load i32, ptr @size, align 4 ; <i32> [#uses=1]
%1 = alloca i32, i32 %0, align 4 ; <ptr> [#uses=1]
%2 = load volatile i32, ptr @g0, align 4 ; <i32> [#uses=1]
%3 = load volatile i32, ptr @g1, align 4 ; <i32> [#uses=1]
%4 = load volatile i32, ptr @g2, align 4 ; <i32> [#uses=1]
%5 = load volatile i32, ptr @g3, align 4 ; <i32> [#uses=1]
%6 = load volatile i32, ptr @g4, align 4 ; <i32> [#uses=1]
%7 = load volatile i32, ptr @g5, align 4 ; <i32> [#uses=1]
%8 = load volatile i32, ptr @g6, align 4 ; <i32> [#uses=1]
%9 = load volatile i32, ptr @g7, align 4 ; <i32> [#uses=1]
%10 = load volatile i32, ptr @g8, align 4 ; <i32> [#uses=1]
%11 = load volatile i32, ptr @g9, align 4 ; <i32> [#uses=1]
%12 = load volatile i32, ptr @g10, align 4 ; <i32> [#uses=1]
%13 = load volatile i32, ptr @g11, align 4 ; <i32> [#uses=2]
%14 = getelementptr [100 x i32], ptr %x, i32 0, i32 50 ; <ptr> [#uses=1]
store i32 %13, ptr %14, align 4
store volatile i32 %13, ptr @g11, align 4
store volatile i32 %12, ptr @g10, align 4
store volatile i32 %11, ptr @g9, align 4
store volatile i32 %10, ptr @g8, align 4
store volatile i32 %9, ptr @g7, align 4
store volatile i32 %8, ptr @g6, align 4
store volatile i32 %7, ptr @g5, align 4
store volatile i32 %6, ptr @g4, align 4
store volatile i32 %5, ptr @g3, align 4
store volatile i32 %4, ptr @g2, align 4
store volatile i32 %3, ptr @g1, align 4
store volatile i32 %2, ptr @g0, align 4
%x1 = getelementptr [100 x i32], ptr %x, i32 0, i32 0 ; <ptr> [#uses=1]
call void @g(ptr %x1, ptr %1) nounwind
ret void
}
declare void @g(ptr, ptr)
; CHECK: .section .cp.rodata.cst4,"aMc",@progbits,4
; CHECK: .p2align 2
; CHECK: [[INDEX0:.LCPI[0-9_]+]]:
; CHECK: .long 84002
; CHECK: [[INDEX1:.LCPI[0-9_]+]]:
; CHECK: .long 83002
; CHECK: [[INDEX2:.LCPI[0-9_]+]]:
; CHECK: .long 82002
; CHECK: [[INDEX3:.LCPI[0-9_]+]]:
; CHECK: .long 81002
; CHECK: [[INDEX4:.LCPI[0-9_]+]]:
; CHECK: .long 80002
; CHECK: [[ARG5:.LCPI[0-9_]+]]:
; CHECK: .long 100003
; CHECK: .text
; !FP + large frame: spill SR+SR = entsp 2 + 100000
; CHECK-LABEL: ScavengeSlots:
; CHECK: entsp 65535
; CHECK: extsp 34467
; scavenge r11
; CHECK: ldaw r11, sp[0]
; scavenge r0 using SR spill slot
; CHECK: stw r0, sp[1]
; CHECK: ldw r0, cp[[[ARG5]]]
; r11 used to load 5th argument
; CHECK: ldw r11, r11[r0]
; CHECK: ldw r0, sp[1]
; scavenge r1 using SR spill slot
; CHECK: stw r1, sp[1]
; CHECK: ldaw r1, sp[0]
; scavenge r2 using SR spill slot
; CHECK: stw r2, sp[0]
; CHECK: ldw r2, cp[[[INDEX4]]]
; r4 & r5 used by InsertSPConstInst() to emit STW_l3r instruction.
; CHECK: stw r0, r1[r2]
; CHECK: ldw r1, sp[1]
; CHECK: ldw r2, sp[0]
; CHECK: ldaw r0, sp[0]
; scavenge r2 using SR spill slot
; CHECK: stw r2, sp[1]
; CHECK: ldw r2, cp[[[INDEX3]]]
; CHECK: stw r1, r0[r2]
; CHECK: ldw r2, sp[1]
; CHECK: ldw r1, cp[[[INDEX2]]]
; CHECK: stw r2, r0[r1]
; CHECK: ldw r1, cp[[[INDEX1]]]
; CHECK: stw r3, r0[r1]
; CHECK: ldw r1, cp[[[INDEX0]]]
; CHECK: stw r11, r0[r1]
; CHECK: ldaw sp, sp[65535]
; CHECK: retsp 34467
define void @ScavengeSlots(i32 %r0, i32 %r1, i32 %r2, i32 %r3, i32 %r4) nounwind {
entry:
%Data = alloca [100000 x i32]
%i0 = getelementptr inbounds [100000 x i32], ptr %Data, i32 0, i32 80000
store volatile i32 %r0, ptr %i0
%i1 = getelementptr inbounds [100000 x i32], ptr %Data, i32 0, i32 81000
store volatile i32 %r1, ptr %i1
%i2 = getelementptr inbounds [100000 x i32], ptr %Data, i32 0, i32 82000
store volatile i32 %r2, ptr %i2
%i3 = getelementptr inbounds [100000 x i32], ptr %Data, i32 0, i32 83000
store volatile i32 %r3, ptr %i3
%i4 = getelementptr inbounds [100000 x i32], ptr %Data, i32 0, i32 84000
store volatile i32 %r4, ptr %i4
ret void
}
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